Shorefishes of the Eastern Pacific online information system

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Species: Abantennarius sanguineus, Bloody frogfish, Sanguine frogfish

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2nd D spine not joined to head by membrane
spot at base D
D&A connected to C
belly: obvious brown spots
Antennatus sanguineus (Gill, 1863)
Sanguine frogfish,     Bloody frogfish
Body globular, somewhat compressed; "fish-pole" length about equal to length of second dorsal spine, "lure" an elongate, tapering appendage with slender filaments and a cluster of darkly pigmented round swellings at base; second dorsal spine strongly curved and free, not connected to head by membrane; 3rd  dorsal spine movable, not bound down by skin; a very large, upward directed mouth; limb-like pectoral fins with an "elbow" joint, that fin broadly connected to body; a small round gill opening, below and behind pectoral base;tail base absent, rear margins of dorsal and anal fins join body at base of tail fin; pelvic fins short, with only 1 of 5 rays branched;  skin of body rough, covered with close-set, double-pointed spicules.
Yellow or yellow brown to reddish with brown spotting and mottling; belly with conspicuous brown spots; sometimes a weak ocellus or dark round spot below posterior part of dorsal fin.
Size: attains 10 cm.
Habitat: rocky bottoms.
The most common frogfish in the eastern Pacific.
Depth: 1-40 m.
Gulf of California to Chile; Revillagigedos, Clipperton, Cocos, Malpelo and the Galapagos.

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  • Marine Only
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
  • Rocks
  • Corals
  • Reef only
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • No data
  • Pelagic larva
  • Pelagic
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • Continent
  • TEP endemic
  • Island (s)
  • All species
  • Continent + Island (s)
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • South Temperate (Peruvian Province )
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Listed
  • Least concern
  • Not listed
Length Max
  • 10
Depth Range Min
  • 1
Depth Range Max
  • 40