Shorefishes of the Greater Caribbean online information system

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Species: Fowlerichthys radiosus, Big-eyed Frogfish, Singlespot Frogfish

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2nd D spine: ~fish pole, connected to base 3rd spine by membrane divided by cluster of spicules
mid-back & D base: large ocellus
D&A not connected to C
all 5 pelvic rays branched

Fowlerichthys radiosus (Garman, 1896)

Singlespot Frogfish, Big-eyed Frogfish

A globular somewhat compressed body; head not spiny; eye large (7.4-11.4% of SL), on sides of head; a very large, upward directed mouth with many small teeth; a small round gill opening, below and behind pectoral base; dorsal rays I+I+I,13; "fish-pole" short, 11-19% of SL, about equal in length to 2nd dorsal spine; "lure" a small (<1/5 length of fish-pole) simple oval shape with numerous longitudinally alinged folds; second dorsal spine not strongly curved and free, connected to head by smooth membrane that is divided in two parts by a cluster of spicules, that membrane nearly reaches to base of third spine; third dorsal spine ~straight, 18-25% of SL, movable, not bound down by skin; limb-like pectoral fins with an "elbow" joint, that fin broadly connected to body; anal rays 9; pectoral rays 13; tail base present, dorsal and anal fins not connected to tail fin; pelvic fins short, with all 5 rays branched;skin of body rough, covered with close-set, double-pointed spicules.

Brown to beige; median fins occasionally barred; fish-pole usually lightly banded; a single large ocellus on the upper back and base of the dorsal fin; short dark lines radiating from eye.

Size: attains 25 cm.

Habitat: mud bottoms.

Depth:0.5-275 m.

New York to the Orinoco delta.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Mud
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent
  • Continent + Island (s)
  • Continental primarily
  • Extends North of GC
  • GC non-endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Temperate (>35N)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 25
Depth Range Min
  • 0
Depth Range Max
  • 275