Gray's Reef Common Fish Identification
Guide
(Please note any fish with an * is missing a picture for identification. Please refer to the illustrated field guide for those species at http://graysreef.noaa.gov/fishguide.html.)
Damselfishes-Family
Pomacentridae
1) Cocoa Damselfish (Stegastes
partitus)
- Size: <125 mm
- Characteristics: Damselfish shape -Light adult and
juvenille, blue above and rest of the body is yellow.
Small dark spot of tail base distinguishes it from the
beaugregory. Dark adult, brown above, paler below; dark
spot below soft dorsal fin; vertical lines on body
*2) Sargeant Major (Abudefduf
saxatilis)
- Size:<15 cm
- Characteristics: Damselfish shape - 5 dark bars
*3) Bicolor Damselfish (Stegastes
variabilis)
- Size: <10 cm
- Characteristics: Deep body; blackish front, paler
rear; orange cast at center; shallow forked tail
Reef
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Angelfishes-
Family Pomacanthidae
1) Blue angelfish (Holocanthus bermudensis
)
- Size: <38 cm
- Characteristics: Deep body; prominent preopercular
spine; yellow-edged caudal fin; hybrids often have
incomplete crown on forehead.
-
Surgeonfishes-Family
Acanthuridae
*1) Surgeonfish (Acanthurus bahanius)
- Size:<30 cm
- Characteristics: Oval shape - whitish band and blue,
knifelike folding spin on caudal peduncle
*2) Doctorfish (Acanthurus chirugus)
- Size: <25 cm
- Charactersitics: Oval shape - 10-12 dark bars
(sometimes obscure); knifelike folding spine on caudal
peduncle
Cardinalfishes-Family
Apogonidae
1) Twospot Cardinalfish (Apogan psuedomaculatus
)
- Size:<10 cm
- Characteristics: Mostly reddish color; large eyes;
two dark spots (below second dorsal fin and on caudal
peduncle; Usually cryptic
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Porgies-Family
Sparidae
1) Sheepshead (Archosargus probatocephalus )
- Size:<90 cm
- Characteristics: Deep body with small mouth and
incisorlike teeth; 5-6 bands across body
2) Whitebone porgy (Calamus leucosteus
)
- Size:<45 cm
- Characteristics: Blue-silvery color; blue lines above
and below eye, small mouth with incisorlike teeth
3) Spottail pinfish (Diplodus
holbrooki)
- Size:<45 cm
- Characteristics: Deep compressed body; large
eye;saddle/ring on caudal peduncle
*4) Pinfish (Lagodon rhomboides)
- Size:<35 cm
- Characteristics: Body deep compressed; smooth curve
ventral profile; shoulder spot on lateral line; large
eye
5) Red Porgy (Pagrus pagrus )
- Size: <90 cm
- Characteristics: Deep compressed body; silvery red
with tiny blue spots; large eye; small mouth.
*6) Scup (Stenotomus chrysops )
- Size:<45 cm
- Characteristics: Deeply compressed, dull silvery
body; faint dark bars on body
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Triggerfishes-Family
Balistidae
1) Gray Triggerfish (Balistes capriscus
)
- Size: <30 cm
- Characteristics: 1st dorsal has 3 spines with locking
device; no pelvic fin; olive-gray coloration
Filefishes-Family
Balistidae
*1) Orange filefish (Cantherhines pullus
)
- Size:<60 cm
- Characteristics: Brownish-orange coloration; thin,
nearly always bent dorsal spine
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Jacks-Family
Carangidae
*1) Yellow Jack (Caranx bartholomaei )
- Size:<1 m
- Characteristics: Bony scutes along caudal peduncle;
underparts with a yellowish cast
*2) Bar Jack (Caranx ruber )
- Size:<60 cm
- Characteristics: Black stripe from soft dorsal fin to
lower lobe of caudal fin
3) Greater amberjack (Seriola dumerili )
- Size:<1.5 m
- Characteristics: Elongate body form; dark stripe from
snout, through eye, to first dorsal
4) Mackeral scad (Decapterus macarellus
)
- Size:<30 cm
- Characteristics: Slender, elongate body; black spot
at opercle; small scutes
*5) Round scad (Decapterus punctatus
)
- Size: <23 cm
- Characteristics: Slender, elongate body; black spots
along lateral line; enlarged rear scutes
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Sea
Basses-Serranidae
1) Belted Sandfish (Serranus subligarius
)
- Size: <10 cm
- Characteristics: Body boldly barred; belly abruptly
white; large dark blotch at base of soft dorsal fin.
-
*2) Bank Sea Bass (Centropristus ocyurus
)
- Size: <30 cm
- Characteristics: Head/dark areas bluish; some russet
in fins;dark spots on lateral line
3) Black sea bass (Centropristus striata
)
- Size: <60 cm
- Characteristics: Head/body dark, blotched; caudal,
dorsal, anal fin edge white.
*4) Sand perch (Diplectrum formosum )
- Size: <30 cm
- Characteristics: Elongate body form; many dark brown
bars; head with many blue lines
5) Gag grouper (Mycteroperca microlepis
)
- Size: <95 cm
- Characteristics: Grouper shape with prominent lower
jaw; dark wormlike markings; preopercle has bony knob;
edge of caudal fin nearly straight.
*6) Scamp (Mycteroperca phenax )
- Size: <60 cm
- Characteristics: Grouper shape with prominent lower
jaw; dark spots cover body in lines or blotches; similar
to gag; tips of caudal fin extend like a broom.
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Butterflyfishes-Family
Chaetodontidae
1) Spotfin butterflyfish (Chaetodon ocellatus )
- Size: <28 cm
- Characteristics: Body deep, compressed; bar through
eye; large spot base of 2nd dorsal fin; male has spot at
tip of second dorsal fin.
*2) Reef butterflyfish (Chaetodon sedentarius
)
Size: <75 mm
Characteristics: Body deep, compressed; dark bands
through eye and caudal peduncle through anal fin
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Spadefishes-Family
Ephippidae
1) Atlantic spadefish (Chaetodipterus faber
)
- Size: <90 cm
- Characteristics: Disk shape; silvery with dark bands;
large fish may lack bands
Drums-Family
Sciaenidae
1) Cubbyu (Equetes umbrosus)
- Size: <25 cm
- Characteristics: Small, brown with darker head and
fins; dark stripes on side; first dorsal fin high and
rounded
2) Highhat (Equetus acuminatus )
- Size: <23 cm
- Characteristics: Dark fins; alternating brown/white
stripes; front of head spotted; first dorsal fin high and
rounded
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Grunts-Family
Haemulidae
1) Tomtate (Haemulon aurolineatum)
- Size: <25 cm
- Characteristics: Whitish, yellow stripe from snout to
caudal fin; inside of mouth orange; often with dark spot
at base of caudal peduncle
Wrasses-Family
Labridae
1) Painted wrasse (Halichoeres caudalis
)
- Size: <28cm
- Characteristics: Male- greenish-blue; spot behind
eye; dorsal/anal fins pinkish with blue stripes; striped
caudal fin. Female-tan with 2 streaks on side
2) Pearly razorfish (Hemipteronotus
novaculaa )
- Size: <38 cm
- Characteristics: Steep forehead with eyes set high;
broad, diagonal reddish bar on side; nearly vertical
vertical lines below eye.
3) Tautog (Tautoga onitis )
- Size: <90 cm
- Characteristics: Blunt snout; pronounced lips;
Males-dark body white chin, blotch on side.
Females-mottled and blotched
4) Slippery dick (Halichoeres bivittatus
)
- Size: <20 cm
- Characteristics: Elongate body with 2 dark stripes;
black spot at base of last dorsal ray; males are brightly
colored
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Squirrelfishes-Family
Holocentridae
*1) Squirrelfish (Holocentrus adscensionis
)
- Size: <30 cm
- Characteristics: Dull, light red color; Spiny, clear
dorsal fin with yellow spots on edge; short preopercular
spine; long second dorsal fin
Blennies-(Family
Blenniidae) and Gobies- (Family Gobiidae)
1) Crested Blenny (Hypleurochilus geminatus
)
- Size: <10 cm
- Characteristics: Common at Gray's Reef, orbital
cirri, brownish with cream, gold, and black spots; Male:
strongly arched profile, black spot between first dorsal
fins. Female: squarish, scattered spots
*2) Redlip blenny (Ophioblennius atlanticus
)
- Size: <125 mm
- Characteristics: Vertical head profile; lower lip,
part of fins are red; dark spot at eye; clear caudal
fin
*3) Seaweed blenny (Parablennius marmoreus
)
- Size: <85 mm
- Characteristics: Big head; bulging eye; large mouth;
brown spots; dark stripe from eye to caudal fin; branched
cirrus above eye.
*4) Checkered blenny (Starksia ocellata
)
- Size: <5 cm
- Characteristics: Brown-3 rows of blotches;cirrus
above eye unbranched; caudal fin separate from
dorsal/anal fins.
5)
Hovering Goby (Iolossus helenae )
- Size: 5-10 cm
- Characteristics:bluish grayish, dive in their burrows
if approached.
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Boxfishes/Trunkfishes-Family
Ostraciidae
*1) Scrawled cowfish (Lactophrys quadricornis
)
- Size: <48 cm
- Characteristics: Boxfish shape with bony armor;
yellowish color with blue, broad lines and scrawls on
body; 2 horns at eyes.
Puffers-Family
Tetraodontidae
*1) Marbled puffer (Sphoeroides dorsalis
)
- Size: < 20 cm
- Characteristics: Snout, side of head marbeled; tabs
on back; blotches on side; can inflate body; 2 black
bands on caudal fin
Snappers-Family
Lutjanidae
*1) Gray Snapper (Lutjanus griseus )
- Size: <60 cm
- Characteristics: Snapper shape; red stripe at edge of
dorsal fin; dark stripe from snout through eye
*2) Yellowtail snapper (Ocyurus chrysurus
)
- Size: <75 cm
- Characteristics: Snapper shape with yellow stripe
from snout tip to caudal fin; caudal fin yellow-deeply
forked.
*3) Vermillion Snapper (Rhomboplites aurorubens
)
- Size: <75 cm
- Characteristics: Pale red with many blue lines or
spots; short diagonal lines or spots on upper body; lower
jaw projects.
4) Bigeye (Priacanthus arenatus)
- Size: <30 cm
- Characteristics: Eyes large; body compressed;
reddish-brown color
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Toadfishes-Family
Batrachoididae
1) Oyster Toadfish (Opsanus tau )
- Size: <38 cm
- Characteristics: Globular body; fleshy tabs on jaw;
blotched body with bars on fins; dorsal and opercular
spines; wide mouth.
Barracuda-Family
Sphyraenidae
1) Barracuda (Sphyraena barracuda )
- Size: <2 m
- Characteristics: Elongated body; long jaw, shearing
teeth; dark stripe/blotches on side; caudal fin with
white tips; seperated dorsal fins
Cobia-Family
Rachycentridae
1) Cobia (Rachycentron canadum )
- Size: <1.8 m
- Characteristics: Dark elongate body with with
compressed head; dark stripe midside; black fins;
protruding lower jaw; first dorsal fin spiny,
separate.
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Soapfishes-Family
Grammistidae
*1) Whitespotted soapfish (Rypticus maculatus
)
- Size: <20 cm
- Characteristics: Dark body; white spots along
upperside; 2 dorsal spines
Mackerels-Family
Scombridae
*1) King mackerel (Scomberomorus cavalla
)
- Size: <1.7 m
- Characteristics: Elongate body; blue above, silvery
below; lateral line drops rapidly; undulates below
finlets
Lizardfishes-Family
Synodontidae
*1) Inshore lizardfish (Synodus
foetens)
- Size: <45 cm
- Characteristics: Elongated body; large, oblique
mouth; diamond shaped markings on side
*2) Sandiver (Synodus intermedius
)
- Size: <45 cm
- Characteristics: Elongated body; large, oblique
mouth; dark shoulder spot; bars on upper side of
body
Goatfishes-Family
Mullidae
*1) Dwarf Goatfish (Upeneus parvus )
- Size: <25 cm
- Characteristics: Varied body coloring; four bands on
caudal fin; long barbels under chin; widely seperated
dorsal fins
Stingrays-Family
Dasyatidae
1)
Southern Stingray (Dasyatis americana )
- Size: <1.8 m
- Characteristics: Rhombus disk with pointed corners;
long ventral finfold on tail
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Nurse
Shark- Family Orectolobidae
1) Nurse Shark ( Ginglymostoma cirratum)
- Size: >3 m
- Characteristics: Rusty brown, barbel at the front of
nostril, no lower lobe on caudal fin
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