FishesAll families
To 31" (79 cm). Eel-like, elongate, cylindrical. Reddish brown to blackish purple to grayish pink. Eyes rudimentary, not visible; 6 barbels around mouth; 5–6 gill pouches on each side; 1 exterior connection to gill pouches. No paired fins; caudal fin ...… read more
To 33" (84 cm). Eel-like; olive-brown above, usually mottled yellowish-brown on sides, pale below; some have shades of red, blue, and green on sides, others blackish. Mouth without jaws, with numerous rasplike teeth; eyes small; 7 pairs of gill openings.… read more
To 16' (4.8 m). Elongated. Gray. 1 dorsal fin, located far back; pelvic fins far back, near anal fin; tail fin's upper lobe long, swept-back, notched. No fin spines. 6 pairs of gill slits; not continuous across throat. Lower jaw has a series of elongate, ...… read more
To 14' (4.3 m). Elongate; grayish-brown or yellowish, darker above than below. Snout short, mouth under its tip; well-developed barbel attached to front of each nostril. 2 dorsal fins without spines, first not much larger than second; caudal fin low ...… read more
To 60' (18.3 m). Very large, elongate, with 3 ridges on each side from head to caudal peduncle; dark gray to brown on back and sides, lower parts much lighter, fading to yellow or white; yellow or white spots between narrow lines of same color result in ...… read more
A large, stout, spindle-shaped shark with a pointed snout. Blue or brownish above, turning abruptly white on lower side and onto belly; dusky spot behind pectoral fin. Teeth serrate; upper teeth broadly triangular. Gill openings rather large but not ...… read more
A slender, spindle-shaped shark with a long, acutely pointed snout and tiny second dorsal and anal fins. Grayish blue to deep blue above, shading to white on belly; underside of snout white. Teeth smooth edged; upper teeth narrowly triangular. First ...… read more
To 45' (13.7 m). Fusiform; gray-brown to totally gray or black, occasionally lighter below. Snout short, nearly conical, tip rounded; teeth very small, conical. Gill slits very long, nearly meeting under throat; gill rakers long, horny, united at their ...… read more
To 18' (5.5 m); 1,780 lbs (807 kg). Fusiform; gray or grayish-brown, darker above than on sides; specimens less than 6' long prominently marked on back with dark spots forming bars. Snout short, bluntly rounded, length much shorter than width of mouth.… read more
A small, slender shark. Well-separated dorsal fins, second nearly as large as first. Pale gray overall, lighter below; no spots or dark bars. Scales lance-shaped, with 3 or 4 parallel keel-like ridges. Origin of first dorsal fin over inner margin of ...… read more
To 12'7" (3.8 m); 437 lbs (198 kg). Very slender, fusiform; dark blue above, bright blue on sides, white below; tips of pectoral, dorsal, and anal fins dusky. Snout long, narrowly rounded, length longer than width of mouth. … read more
To 6'6" (2 m). Elongate, fusiform; gray with black spots and bars which may stretch across back. Snout moderately long, pointed; fourth and fifth gill slits over pectoral fin. First dorsal fin origin above rear of pectoral fin; second dorsal fin ...… read more
To 13'9” (4.2 m). Elongate, compressed; head greatly expanded laterally, with eyes at each end of lateral expansion; gray above, white below. Anterior margin of head with median indentation.… read more
To 5' (1.5 m). Elongate, slender; gray or brown above, dirty white below; young have light spots on back. Snout long, pointed. Spine in front of each dorsal fin; origin of first dorsal fin slightly posterior to rear of pectorals; origin of second ...… read more
To 18' (5.5 m). Moderately depressed and shark-shaped, tail sector large and not distinct from body; color nearly uniform mousy-gray to blackish above, paler on sides, whitish below. Snout large, bladelike, with 24 or more teeth on each side. … read more
To 8' (2.4 m). Depressed, almost rhomboid; front of disc concave; olive-brown or gray above, whitish below; ocellus on each side of disc. Moderate thorns between eyes; 1 mid-dorsal thorn behind spiracles; single row of mid-dorsal thorns to front of ...… read more
To 3'1" (94 cm). Disc rhombic, depressed, wider than long, angle of snout about 100 degrees, broadly rounded posteriorly; light to dark brown above with darker brown or black roundish spots and irregular bars, white below; sides of snout translucent; no ...… read more
To 21" (53 cm). Disc broadly rounded laterally and posteriorly, depressed, about as wide as long; gray to dark brown above, usually with small irregular spots on disc; pale below, without spots. Angle of snout about 120-degrees; usually less than 54 ...… read more
To 5' (1.5 m) wide. Disc roughly rhombic in shape; outer corners sharply rounded; anterior edges of disc nearly straight. Upper surface light brown, gray, or olive, varies depending on surroundings; lower surface whitish with gray or brownish margins.… read more
48" (120 cm) disk width. Flattened, diamond-shaped disk; snout pointed; leading edge of enlarged pectoral fin "wings" straight, with rounded tip. Blackish above, white below. Raised eyes far apart, set back. Whiplike tail 1 1/2 times ...… read more
A beautiful, graceful ray with a very long, whip-like tail. Disk diamond shaped; head extends beyond front margins of disk. Tips of pectoral fins pointed, rear margins concave. Brown above, with round white spots; white below. … read more
To 3' (91 m) wide. Disc about 1.7 times wider than long; front edges nearly straight, posterior edges of disc concave, outer corners falcate. Brownish above, whitish or yellowish-white below. … read more
To 22" (56 cm) long. Disc almost circular; tail shorter than disc; gray-brown above, sometimes with small, light spots, yellow below. Lacks dorsal fin; long, venomous spine about halfway down tail.… read more
To 22' (6.7 m) wide. Disc about twice as broad as long; upper surface varying from reddish to olive-brown to black, paler on edges. Shoulders uniform in color or with white patches or series of dark spots across them; lower surface blotched slate-gray ...… read more
To 3'2" (96 cm). Elongate, head large, tapering to slender caudal fin; bronze above, with metallic hues, silvery below with numerous white spots; eyes green. Teeth pliable, incisorlike. Males have spiny, club-shaped process on head.… read more
An elongate fish, pentagonal in cross section, with a heterocercal tail and shark-like fins. Top of head and back bluish black, shading to white on belly. Mid-dorsal scutes oval, longer than broad, and without pronounced hooks on their keels; spines and ...… read more
To 12'6" (3.8 m); 1,387 lbs (630 kg). Elongate, rounded in cross section, head slightly flattened; gray above, lighter below. Snout short, broad, pointed; mouth ventral, below eye; 4 long barbels near tip of snout. 38-48 midlateral plates. Tail ...… read more
To 3' (91 cm); 7 lbs (3.2 kg). Elongate, bony plates sharply keeled; olive to yellowish-brown above, sides lighter, white below. Bony head plates with short spines at tip of snout and anterior to eye; snout-shovel-shaped; bases of 4 barbels in straight ...… read more
To 7'1" (2.2 m); 200 lbs (90.7 kg). Slightly compressed; snout paddle-shaped; back dark bluish-gray, often mottled, lighter on sides, belly white. Mouth very large; eyes small, above front edge of mouth; gill rakers slender, numerous; opercular flap ...… read more
To 6' (1.8 m); 50 1/4 lbs (22.8 kg). Cylindrical; dark olive to brownish above, lighter on sides with dark spots, usually on posterior, belly whitish. Median fins yellowish-brown with many dark spots; young with dark middorsal and midlateral stripe. … read more
To 34" (86 cm); 21 1/2 lbs (9.8 kg). Long, moderately robust, head massive; dark olive-green above with lighter color on sides, often producing netlike pattern; cream to greenish-yellow below. Nostrils tubular; maxilla extends beyond eye; jaws with ...… read more
To 3'3" (99 cm). Elongate, fusiform; blue-gray above, sides silvery, belly yellowish. Mouth terminal, oblique; upper jawbone reaches well beyond eye; adipose eyelid present; 23-25 bones in gill membrane; gular plate present in lower jaw. Fins dusky ...… read more
To 8' (2.4 m); 283 lbs (128.4 kg). Large, elongate, moderately deep and compressed; back blue-gray, sides and belly silvery, fins dusky or pale. Mouth huge, oblique, superior, lower jaw projects well beyond upper; upper jawbone reaches well beyond eye; ...… read more
A slender, fusiform fish, almost round in cross section, only slightly compressed. Bluntly conical snout extends beyond inferior mouth. Bluish above, shading to silvery white on side; dark streaks between scales of upper side. Snout has median, small, ...… read more
To 4'11" (1.5 m). Elongate, snakelike, circular in cross section anteriorly, compressed posteriorly. Color variable depending on habitat and age, usually dark brown or greenish above, fading to yellowish-white on belly. Head large, about one-eighth of ...… read more
To 5' (1.5 m). Elongate, eel-like; brown to green-brown. Mouth large, teeth strong, gill openings small, round; back of head elevated. Pectoral fins absent. Skin thick, scaleless.… read more
To 3'3" (99 cm). Robust; moderately compressed; yellow above, white or yellow elsewhere, with dense, irregular, brownish to purplish-black spots and small blotches. Occipital area elevated; posterior nostril simple, without tube.… read more
To 15" (38 cm). Elongate, strongly compressed, ventral profile more convex than dorsal, depth less than one-quarter length. Back iridescent grayish-green or violet, sides paler, belly silvery, humeral spot dusky. Head less than one-fifth length; eye ...… read more
To 30" (76 cm); 9 1/4 lbs (4.2 kg). Elongate, strongly compressed; dorsal and ventral profiles evenly rounded; depth about one-fourth length. Back dark bluish or greenish, sides much paler, belly silvery; dusky humeral spot usually followed by several ...… read more
To 18" (46 cm). Oval, deep and compressed; blue or green, sometimes bluish-brown above; sides and belly silvery, fins yellowish; distinct humeral spot often followed by several rows of smaller spots. Head very large; mouth oblique, maxilla reaches to ...… read more
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