354 PROCEEDINGS OF THE NATIONAL MUSEUM - FISHES COLLECTED BY THE UNITED STATES FISHERIES

NO. 2075.

FISHES FROM SOUTHERN CALIFORNIA—

GILBERT. 355

The

pectoralisverylowand withnearly horizontalbase.

The

gill-

openingisrather wide, butis entirelyconfinedto thesuprapectoral region.

Dorsal, 58; anal, 53; pectoral, ^16.

The

originaldescription creditsthetype-specimenwithhaving but 43 raysinthe analfin, butthisisobviouslyamisprintfor 53, asthe dorsalandanalseemtodifferin

number by

about5rays tlu-oughout thisrelalionsip.

PARALIPARIS DEANIBurke.

ParaliparisdeaniBurke,Proc.U.S.Nat. Mus.,vol. 43, 1913, p.571; southeast Alaska.

A

singlespecimen, 92

mm.

longtobaseofcaudal,fromstation4540, Monterey Bay, depth 389 to 551 fathoms,probablybelongs to this species. It agreesinmostrespects, buthasa

somewhat

smaller eye andgreaterdepth.

The

presenceofpricklesonthe pectoralfinscan notbeverified.

The

occiput is arched,

somewhat

as in P. cepJidlus, with broad interorbitalarea and wideblunt snout; the

mouth

ishorizontal, the maxillary extendingtobelowposteriorfom-thof orbit. GiU-opening wide, extending along theupperhalf ofthe pectoralfin.

Upper

ray ofpectoralon a levelwith middle of orbit. Pectoral without deep notch, the lower three or fourrays forming a lengthened lobe, the longestray reachingbeyondthefront oftheanal; the raysimmedi- ately above this lobe are more widely separated than those in the upperpartoffin.

Length of head, twenty-two hundredths of total length without caudal; greatest width of head, 13; greatest depth at occiput, 19;

widthof

mouth

fromangletoangle, 10;distancefromtip ofsnoutto endofmaxillary,1 1 .5;tobaseoflowest pectoralray, 13;to vent, 15.5

;

lengthofsnout,7; diameterofeye, 5; interorbitalwidth, 14.

Dorsal,59^;^anal,49;pectoral,16. Generalcolorlight,the

abdomen

andeyeblackish.

PARALIPARISALBESCENS, newspecies.

Plate18,fig.13.

Type-specimen.

—

Cat. No. 75816, U.S.N.M., a female with well- developed ova, 63

mm.

long, from station 4515, Monterey Bay, 198to495 fathoms.

Not

closely related to any otherspecies,the head, body, andfins uniformly translucent or whitish, the gill-sht wide, extending to oppositetenthoreleventh pectoralray,theupperrayofpectoralfin

on level of middle of eye, the fin many-rayed, short, moderately notched, the rays of lower lobe aU widely exserted, the longest equaling thoseof theupper lobe.

Lengthofheadtwenty-fourone-hundredthsof totallengthwithout caudal; width of head behind orbits, 15.5; depth at occiput, 21;

356 PROCEEDINGS OF THE NATIONAL MUSEUM.

^{vol. 48.}

diameter of eye, 6; length of snout, 6; axial length of snout, 4;

lengthofmaxillary (from middle of premaxillaries), 8.5; widthof

mouth

betweentheouterangles, 13.5; lengthofgill-slit,9.8; distance fromtip ofsnouttovent, 20; to lowest pectoralray, 15.5; distance betweenlowest pectoral raysofthetwosides, 5; distancefrom tipof snouttofront of anal, 33; tofrontof dorsal, 24; lengthofpectoral base, 12.5; longestrayofupperlobe, 14.5; longestrayoflowerlobe,

17. Dorsal, 3

+

46; anal, 44; pectoral, 18.

Head

short and broad, withlarge eyesand very shortsnout, the latter protruding shghtlybeyond themouth;

mouth

horizontal, the maxillary reaching to below middle of eye. Teeth acute, simple.

Nostrilsingle,withouttube. Gill-openingextending

down

toopposite the tenth or eleventh pectoralray. Pectoralinserted high,theupper ray onlevel ofmiddleofeye, thelowerrayin avertical linewhich

falls behind the orbit; the two fins well separated below. All the raysoflower lobearewidely exserted; none extend beyondfrontof anal.

The

lobes are short, and are connected a rather deep notch, withtwoorthree widely spacedrays.

Anus

belowthemiddleofthe opercle.

Dorsal beginning above the upper end of gill-sht, thefirst three rays exceedingly dehcateandspine-hke,apparently separatedfromthe others

by

a short interval of

membrane

which contams no rays.

The

caudal contains fourfuUydevelopedrays, itsbasalthirdjoined todorsalandanal.

Color translucent or whitish throughout, the sides with minute distant black specks, visible only with aid of a lens.

Mouth

gill

cavityand peritonemn without blackpigment.

Onlythetype knoAvn.

PARALIPARIS CAUDATUS,newspecies.

Plate18,fig.14.

Type-specimen.

—

^Cat. ^No. ^75815, ^U.S.N.M., 86

mm.

in total length (77

mm.

tobaseofcaudal),fromstation4527,Monterey Bay, 183to337 fathoms.

Resembling P. ulocJiir in the restricted giU-sht and the wide pectoral,butdiffering

among

other charactersintheshorter, deeper body, and the wider, many-rayed caudal fin. In P. ulocMr, the trunk tapers toan extremely slender tail, the fin composed ^ofbut 4 rays. InP.caudatus,the baseofthecaudalhasaneasilyapprecia- blewidth and the fincontains 10 or 11 rays.

Length of head thirty one-hundredths of total length to base of caudal; greatest width of head, 17; greatest depth (at nape), 26;

lengthofsnout, 9; diameterof eye, 5; interorbitalwidth,_12; length ofmaxillary, 13; widthatouter angles ofmouth, 15; widthofgill-

NO. 2075.

FISHES FROM SOUTHERN CALIFORNIA—

GILBERT.

357

slit, 5.5; distance from tip of snout to anus, 21; to base of first dorsal ray, 30; length of caudal, 13; width of pectoral base, 18;

longestrayof upperpectorallobe, 14; of lower pectorallobe, 28; of shortestraysinnotch, 5.

Dorsal, 53; anal, 50; pectoral, 28.

Dorsal profile strongly arched at occiput and nape, theorigin of dorsalbutlittlebehindtheapexofthearch. Profile ofheadstrongly declivous, that of snout nearly vertical; interorbital region trans- versly wide and flat;

mouth

horizontal, atlower profile, thesnout protruding a ^triflebeyond the premaxillaries; maxillariesextending to below posterior margin of pupil; majority of the teeth

m

both jaws rather shorttriangular, with a distinctpair of lateral cusps, a fewof the teeth at the marginof the

band

simple. GiU-slit short, confined to suprapectoral area, covered

by

a long tongue-shaped opercular flap; nostril single, w4th slightly raised margin; pores on headrather small. Ventwell forward,undertheposteriormarginof cheek.

Origin of dorsal vertically above anterior part of gill- slit; basal fourth of caudal fin attached to dorsal and anal.

Upper

pectoral rayonlevel ofmiddle of eye, thelower raysof thetwo finsclosely approximatedundertheposteriorportionoftheeye.

Upper

pectoral lobe short, wide, and blimtly romided, scarcely reaching vertical fromfrontoforbit.

The

threelower raysareshortandlargelyfree, the fouraboveitformingaverylongnarrowlobe,with only thetips free, extendingbeyond the front of the anal.

Above

these, thefin is abruptlyand deeplynotched; the raysinthenotch very delicate, buthttle

widely spaced thanthe rays above.

Peritoneum and lining of giU-cavity black, showing through the integuments. Caudal fin and the neighbormg parts of dorsal and anal dusky.

Eye

dark.

Head

and

body

otherwise light

m

^color,

perhapsreddishinlife.

Onlythetypeknown.

RmNOLIPARISATTENUATUSBurke.

Threespecimensof thisspeciesweretakenatthe followingstations

4515 4540 4541

358 PROCEEDINGS OF THE NATIONAL MUSEUM.

vol.48.

LIPARISCUS, new genus

{Liparididae)

AUied to Paraliparis and Nectoliparis, agreeingin habitwith the former, and with the latter in having but 5 branchiostegal rays, while allother genera andspecies in thisgrouphave 6.

No

trace of a ventral disk. Vent posterior in position, lying in the area between the lower pectoral lobes. Pectoral fin greatly reduced, but the two lobes connected, not separate and distinct as in Nectoliparis. Teethsimple, innarrowbands. Branchiostegals5.

Gill-slitnarrow, confinedto thesuprapectoralregion.

Typeof thegenus.

—

Lipariscusnanus,

new

species.

LIPARISCUSNANUS,newspecies.

Plate19,fig.15.

Type-specimen.

—

^Cat. ^No. 75817, U.S.N.M., 47

mm.

long, from station4461, Monterey Bay,285to 357 fathoms.

Lengthofhead twenty hundredthsof totallengthtobaseofcaudal;

lengthofsnout,5;widthof interorbital, 8; diameterof eye,6;width of head, 13; length of maxillary, 8; length of gill-slit 2.5; pectoral greatly reduced, enveloped

m

^{a thick}

membrane,

itsupperrayon a levelwith lowermarginof pupil.

The

lower lobe consists ofonly2 rayscloselyapposedand butshghtly lengthened.

The

total

number

ofpectoral raysis12or13,theupperlobealsoshort,the intermediate raysinthenotch2or 3 innumber,

widely spacedthantheother rays.

Lower

pectoral rays separated

by

a wideinterval.

Body

deepest atfrontof dorsal, the occiputnot gibbous. Inter- orbitalspace narrow,equahngthediameteroftheeye. Snoutshort, very bluntly rounded, the

mouth

inferior, horizontal, the maxillary reachmgaverticalfromhinderedgeof pupil. Nostrilwithouttube.

Caudal narrow, with 4 rays, its basalfourth joined to dorsaland anal. Gill-slitveryshort,confined toarea abovebase^ofpectoral;a narrow triangularopercular flap. Ventposterior in position, under the middle of the base ^of the pectoral. Snout and sides of body dusky;lining

membranes

of mouth,gillcavityand abdominalcavity jet black, the opercular region and the

abdomen

thus appearing black.

One

paratype fromthetype-locality,andthreeothersfromstation 4468,Monterey Bay, 32to 309 fathoms.

NECTOLIPARIS PELAGICUSGilbertandBurke.

A

very widely distributed deep-pelagic form, extending from the coastofsouthernCaliforniathroughout the BeringSeaand southto the shoresofHokkaido,Japan. Ithasbeenfrequently capturedin Bering Sea ⁱⁿ open intermediate nets dragged at 300 fathoms. In the present collection, severalspecimens are included, whichappar- ently entered theopen trawlonits

way

tothesurface.

NO. 2075.

FISHES FROM SOUTHERN CALIFORNIA—

GILBERT.

359

List of^stations.

onSanDiego Oft'SanNicolas Island Monterey Bay

do..'

Fathoms.

301-487 581-594 465-609 381-633

RHINOGOBIUSNICHOLS!(Bean).

Abundant

in the harbor at Avalon, Catahna Island.

Has

also beentakeninshallow water,butnotbetween tides,atMonterey.

RATHBUNELLAHYPOPLECTA(Gilbert).

A

young specimen 29

mm.

ⁱⁿ extremelength, was taken

by

the

"tangles" on rough bottom nearSanta

Kosa

Island (station 4431), intheSanta BarbaraChannel, at adepthof 38 to41 fathoms.

On

account of its

smaU

size, it is not possible to verify the characters alleged to distinguish this speciesandtheverycloselyalliedR.alleni.

The

scales arenot yetfuUydeveloped,butleavethe topandsides of head, the nape, and a strip along base ot dorsal fin naked.

The

depth is one-seventh the length to base of caudal.

The

first five dorsal rays are shorter than the succeeding and appear slightly differentiated.

The

colorpatternissharply definedona fightbackground. Along medianlino ofsides, runs a narrow

brown

streak,

marked

below

by

about 10 V-shaped prolongations, and above

by an

equal

number

which alternate with the first.

The

basalhalf of the dorsal finis

marked by

14 or 15 small dark

brown

spots, evenly spaced. Anal withanarrow submarginalblack streakedged withwhite. Pectorals, ventrals,andanalunmarked. Dorsal,46; anal, 32.

PLECTOBRANCHUSEVIDESGilbert.

Several specimens,fromthe followingstations:

4322 4365 4367 4475

360 PROCEEDTNGS OF THE XATIOXAL MUSEUM.

vol.48.

CRYPTOTREMACORALLINUMGilbert.

One

specimen, 134

mm.

long, from station4420, nearSanNicolas Island, depth 32or33fathoms.

The

teethhave beeninadequately describedinthespecies. In the front of each jaw is a close-set series of strong conical teeth, the series continued on the lateral margins of the jaws and the teeth there greatlydecreasmginsize. Behind the outer seriesis arather broad patch of short vilhform teeth, which are confined to the anteriorpartofthe jaw, thepatchinthemandiblesmallerthanthat in the maxillary.

A

single

or less irregular series of small conicalteethon the

vomer

and thecontiguous partofthepalatines, thelatterwithonlytwoortlireeoftheteethonitsextremeanterior portion.

Inthespecimen before us the diameter oftheeye isshghtlyless

thanthe lengthof thesnout, and iscontamed4J ^to4^ times inthe lengthofthe head.

The

longestpectoralraysarebelowthemiddle ofthefin, butthelowermostraysare progressivelyshortened.

The

black blotchesonsides areformedas local intensificationsof"brownish barswhich descend from the back.

Each

of the blotchesis forked indistmctly, forminganinverted V.

EMBRYXPARALLELUS, new^species.

Plate19,fig.16.

Type-specimen.—Csii. No. 75818, U.S.N.M., 387

mm.

long, from station4514,Monterey Bay, depth394to406 fathoms.

Closely related to E. crassilahris, characterized

by

the parallel, nearly vertical sides of head, the thickened lips, the uniserial pre- maxiUary teeth, and the dark coloration.

From

crassilahris it differsprincipally inthe

much

broader head,andthe

extensive scaling ofthesides ofthe head. Incrassilahristhegreatest

mdth

of headisa^trifle

thanone-thirdthe lengthofthehead; in paral- lelusitisone-halfthatlength.

Body

veryslender,thedepth14.3timesinthetotal length.

Head

with nearly vertical parallel sides, of nearly imiform width to the baseofthe snout, theoutline ofwhichisbroadly rounded, seenfrom above. Lips and adjacent tissues soft and fleshy.

Lower

jaw included, shutting wholly inside the premaxihary teeth. Maxillary reachingverticalfrom middleofeye.

Eye

lessthanlengthof snout, 5.8 times in length of head. PremaxiUary teeth cardiform, close set, in a single series, the teeth diminishing shghtly laterally, the series short, extendingbutlittle

thanhalf distanceto angleof mouth. Mandibular teeth anteriorly

m

a broad band, the anterior andposteriorseriesobviouslyenlarged,the

band

abruptlyconstricted at the middleoftheside of thejaw and continueda short distance

NO. 2075.

PISHES FROM SOUTHERN CALIFORNIA—

GILBERT.

361

laterally asasingleseries.

Vomer

andpalatines toothless. Series of largepores alongsidesofsnout andonmandibles,allother poreson head moderate or small; two of these conspicuously placed in the

same

vertical

behmd

theorbit, oneonthe preopercular

margm

above

itsmiddle, andanother nearly verticallyaboveit at side of occiput.

Opercular

membrane formmg

a wide flap which overlaps the basal portion of upper pectoral rays.

Lower

end of giUslit scarcely belowbaseof pectoral,oppositethemiddleofthe rather long ventral

fins.

Posterior line ofocciput

midway

betweenthe front of dorsaland front of eye. Axiloflower pectoralray

midway

betweenthe tipof thesnoutandthevent. Pectoralsreachinghalf

way

fromtheirbase to the front of the analfin; posterior margin of pectorals broadly rounded, the raysallbranched, the lower rayswith thickened

mem-

braneanelexsertedtips.

Verticalfinsscalednearly to their tips; pectorals with abouthalf of theposterior faceand the basal third of the anterior face scaled.

Occiput covered withreducedscalesnearlyas farfoinward astheeyes;

opercles, subopercles, theupper branchiostegalray, and the greater portionof thecheeks andpreoperclescovered with denselycrowded verysmallscales.

Lateralline

ruimmg

fromshoulderobhquely

downward

toshghtly below middleofbody, ti'aceablebackwardto within a head's length ofthetail,

havmg

regainedmiddleof

body

atthispoint.

Color dark-brownish or purphsh, thelowerside ofheadandthefins darker. Liningofmouth,gillcavity, and

body

cavityblack.

Measurementsinhundredthsoftotallength:

Parol- Crassi- lelus. labris.

Lengthofhead 15 14.2

Lengthofsnout 3.9 3.6

Diameterofeye 2.6 3.2

Greatestwidthofsnout 6.6 4.8

Greatestwidthatcheeks , 7.5 5

Greatestwidthat opercles 7.5 4.8

Lengthofmaxillary 5.5 4.8

Lengthofmandible 6.5 6.5

Distancefromtip ofsnout to posteriorline ofocciput 9.5 9.7 Distancefromposteriorline ofocciputtofrontofdorsal 7.5 7.8

Distancefromtip ofsnouttovent 28 28. 5

Lengthofpectorals 8.3 7.3

Lengthofventrals 2 1.5

Depthofbody 7 6

Total length in millimeters 387 303

Onlythetypeknown.

APRODONCORTEZIANAGilbert.

4423. OffSanNicolasIsland,216to339 fathoms.

Dalam dokumen FISHES COLLECTED BY THE UNITED STATES FISHERIES (Halaman 50-58)