Shorefishes of the Eastern Pacific online information system

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Species: Paraclinus ditrichus, Leastfoot blenny, Two-rayed blenny

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body: 4 bars
D: front spines short, 1 ray
C base - dark bar
oblique bar behind eye
edge of preopercle: row spots
A dark, clear margin
pelvic 2
LL 33
nape & pectoral base scaled

Paraclinus ditrichus Rosenblatt & Parr, 1969

Leastfoot blenny, Two-rayed blenny

Elongate, snout bluntly pointed; cirri on nostrils, palm-like cirri over eye and on nape; opercle with a distinct spiny projection, its tip narrowly to broadly pointed; dorsal fin XXVII-XXVIII, 1, 1st  spine short, front 3 spines elevated then a deep notch before 4th  spine; anal II, 18; pectoral 13; pelvic I, 2; all fin rays unbranched; lateral line scales 33; nape scaly; 2 rows of scales on pectoral fin base; no skin flaps on scales.

Body dusky, with 4 bars, last 2 faint; head dusky to mottled, with a row of dark spots along rear edge of preopercle, a dark bar angled down behind eye; a dark spot at rear of dorsal fin; anal fin dark, with clear margin; base of tail fin with a dark bar; pectoral & pelvics irregularly barred on rays.

Size: 2.8 cm.

Habitat: rocky coastal areas.

Depth: 0-10 m?

The Tres Marias Islands and nearby areas in the mouth of the Gulf of California.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
  • Rocks
  • Reef only
FishBase Habitat
  • Demersal
Feeding Group
  • No Data
  • Carnivore
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
  • No Data
Egg Type
  • Pelagic larva
  • No data
  • Benthic
Global Endemism
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
  • All species
Regional Endemism
  • All species
  • TEP endemic
  • Mexican province endemic
  • Continental TEP endemic
  • Continent
  • Continent only
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Listed
  • Data deficient
  • Not listed
Length Max
  • 2.8
Depth Range Min
  • 0
Depth Range Max
  • 10