Shorefishes of the Eastern Pacific online information system

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Species: Paraclinus tanygnathus, Long-jaw Blenny

All Families:   All Genera:   All Species:

D: front high, no rays, dark
C: clear
white bands: under & after eye, pectoral base
A: dark + clear blotches
LL 31-33

Paraclinus tanygnathus Rosenblatt & Parr, 1969

Longjaw Blenny

Elongate, snout bluntly pointed; cirri present on nostrils, above eyes (branched), and on nape; opercle with a distinct flat, triangular spiny projection; dorsal fin XXVI-XXVIII, 1st spine > 10% of SL, front 3 spines very elevated, then a deep notch before 4th spine, membrane between 3rd and 4th spines attached to base of 4th spine; anal rays II, 16-18; pectoral rays 12-13; pelvic I,3; all fin rays unbranched; lateral-line scales 31-33; no skin flaps on body scales.

Reddish brown with whitish blotches and flecks; a broad pale band behind eye and prominent white blotches on pectoral-fin base; sometimes a black spot on rear half of dorsal fin; pelvics dark, with white bars; anal fin dark with clear blotches; tail fin clear.

Size: reaches length of 3.5 cm.

Habitat: weedy rocky bottoms.

Depth: 0-15 m.

The tip of Baja and Mazatlan to southern Mexico.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
  • Submerged vegetation
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
  • Rocks
  • Reef only
FishBase Habitat
  • Demersal
Feeding Group
  • No Data
  • Carnivore
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
  • Data
Egg Type
  • Pelagic larva
  • No data
  • Benthic
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • TEP endemic
  • Continent
  • Continental TEP endemic
  • All species
  • Cortez + Mexican provinces endemic
  • Continent only
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 3.5
Depth Range Min
  • 0
Depth Range Max
  • 15