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Species: Enneanectes glendae, Slender triplefin

All Families:   All Genera:   All Species:

head - red spots
body - orange blotches & bars
D1: black & orange, no branched rays
operculum & belly - no scales
male: mainly blackish
A 19-20

Enneanectes glendae Rosenblatt et al, 2013


Slender triplefin


Head slender, body long & slender; snout short, sharply pointed; top of head covered with short, close-set slender spines a small, narrow, triangular cirrus over eye, no cirri on nape; no teeth on sides of roof of mouth; top of head and upper opercular margin spiny; 3 dorsal fins: III + XII-XV + 8-10, no soft rays branched; anal soft rays19-20; pectoral 16 (15-17); pelvics I (imbedded), 2; scales medium to large, 34-36 in longitudinal series; body scales rough, none on belly; head scaleless; lateral line in 2 straight, slightly overlapping sections, scales on front part pored (16-17), those on rear part notched (20-23).

Body with 4-5 irregular red-brown bars; head with a cluster of red-brown spots behind eye, a dark spot under front of eye and another under center of eye; tail base red-brown with a black bar at rear; tail fin red-brown with a clear central bar; 1st  dorsal fin with black spines, the membranes between the spines red-brown and behind the last spine yellow; 2nd and 3rd dorsals with diagonal barring across the spines; anal red-brown with clear outer margin; pectoral with a grey cast; breeding male with blackish cast over head, body and dark parts of fins.

Size: reaches 3.1 cm.

Habitat: boulders.

Depth: 6-14 m.

Restricted to the Tres Marias Islands, central Mexico, and the mainland coast opposite those islands between Puerto Vallarta and Nayarit.

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  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef only
  • Reef (rock/coral/oyster)
  • Rocks
FishBase Habitat
  • Reef Associated
Feeding Group
  • No Data
  • Carnivore
  • No Data
  • Mobile benthic gastropods/bivalves
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Benthic
  • No data
  • Pelagic larva
Global Endemism
  • All species
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • TEP endemic
  • All species
  • Continental TEP endemic
  • Continent
  • Continent only
  • Mexican province endemic
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Not evaluated / Listed
  • Not listed
Length Max
  • 3.1
Depth Range Min
  • 6
Depth Range Max
  • 14