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Species: Aulopus filamentosus, Yellowfin flagfin

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eliptical eye
iridescent greenish; head purplish
C base: bony scales
fins: yellow + red marks
D1: male + filaments; female black tip

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Aulopus filamentosus (Bloch, 1792)

Yellowfin flagfin

Body slender and cylindrical; head robust, with pointed, conical snout; eyes large, horizontally eliptical with circular pupils; mouth large, opens at front, ends under eye, with two supramaxilla bones expanding the rear part of top jaw; small, simple, depressible teeth on jaws; teeth on tongue and roof of mouth; fins without spines; first dorsal fin high, its origin over or a little behind pelvic origin, with 14-16 rays, 1st 2 with a long filament in males; second dorsal fin a flap of skin with a short base; pelvics on thorax, their origin behind base of pectorals, larger than pectorals, outer 4 rays with thick skin, 9 rays; pectorals on mid-side, 11-14 rays; anal fin 10-13 rays, originates on rear ½ of body; tail fin strongly forked; scales on most of head and body, those on upper body spiny or rough, largest on gill cover; those on snout, top of head, belly and breast smooth;  base of tail fin with bony scales.

Head and body greenish to olive, upper parts with yellow tint; scales are iridescent, with dark edges; belly silvery to pinkish; body with dark saddles and blotches on mid-side; head darker, purplish to reddish; female with orange to red blotches on fins, front of 1st dorsal with a black tip; male with brighter red, orange and yellow marks on fins.

Reaches  51 cm.

Lives on soft bottoms.

Depth range: 50-1000 m, usually 100-200 m.

E & W Atlantic and the Mediterranean; in the W Atlantic from Bermuda to Brazil.


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Salinity
  • Marine Only
  • Marine
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
Habitat
  • Mud
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
Diet
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Octopus/squid/cuttlefish
Egg Type
  • Pelagic
  • Pelagic larva
Global Endemism
  • Greater Caribbean non-endemic
  • All species
  • Transatlantic (East+West Atlantic)
Regional Endemism
  • All species
  • Continent
  • Continent + Island (s)
  • Also in Brazil
  • Island (s)
  • Extends South of GC
  • GC non-endemic
Residency
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Tropical (10-23N, Nicaragua / Cuba)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Not evaluated / Listed
CITES
  • Not listed
Depth Range Min
  • 50
Depth Range Max
  • 1000
Length Max
  • 51