Shorefishes of the Eastern Pacific online information system

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Species: Ophioblennius steindachneri, Large-banded fanged-blenny, Panamic fanged-blenny

All Families:   All Genera:   All Species:

nape cirri: ~12 (8-19)
D2 22 (21-23); A 23 (22-24)

Ophioblennius steindachneri Jordan & Evermann, 1898

Panamic fanged-blenny, Large-banded fanged-blenny

Elongate, compressed; head short blunt, with steep front profile; a bushy tuft of cirri above posterior nostrils; cirrus above eye slender, unbranched; 11.2-13.7 (8-19) short cirri on sides of nape; teeth numerous, movable, a large, curved canine tooth at rear on each side of lower jaw; gill openings wide, open below body; dorsal fin  XI-XIII, 21-23 (usually 22), without notch between spiny & soft parts; anal rays II, 22-24 (usually 23); pectoral rays usually 15; lateral line in 2 disconnected, overlapping parts, with 10 or fewer tubes in rear section.

Head and body dark brown, often with yellowish bars on head and anterior part of body; a dark brown or blackish spot (sometimes surrounded by pale area) behind eye.

Maximum size, 18 cm.

Inhabits shallow rocky reefs exposed to surge.

At depths to about 20 m.

Northern Baja to the central Gulf of California to Peru, and all the oceanic islands except Clipperton.

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  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
  • Reef (rock/coral/oyster)
  • Reef only
  • Corals
  • Reef associated (reef + edges-water column & soft bottom)
  • Rocks
FishBase Habitat
  • Reef Associated
Feeding Group
  • Detritivore
  • Herbivore
  • Data
  • Data
  • Benthic microalgae
  • Detritus
Egg Type
  • Pelagic larva
  • Benthic
  • Data
Global Endemism
  • East Pacific endemic
  • All species
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • All species
  • Continent
  • Island (s)
  • TEP endemic
  • Continent + Island (s)
  • Resident
Climate Zone
  • South Temperate (Peruvian Province )
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 18
Depth Range Min
  • 0
Depth Range Max
  • 20