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Species: Enneanectes quadra, Squaretail Triplefin

All Families:   All Genera:   All Species:

dark bar under eye
eye cirrus narrow
iris: 3 red spokes at front, broad red band behind
pectoral usually 15
body bars: last darkest, wide, square corners
cheek scaleless
D1 short, 2 dark bars; D2 12
A usually 15, barred
front LL 13, no dark spots
above LL : 2 rows scales (top row small)
pectoral base & belly scaled

Enneanectes quadra Victor, 2017

Squaretail Triplefin

Head moderate, body robust; front of eye and around nostrils spiny; cirrus over eye longer than wide, pointed, no cirri on nape; no teeth on sides of roof of mouth; three dorsal fins: III + XII (XI-XII) + 7-8 1st dorsal shorter than second; normally some soft rays branched; anal soft rays 15 (15-16); pectoral 15 (14-15); pelvics I (imbedded), 2; lateral line in 2 straight, slightly overlapping sections, scales on front part pored 13 (13-14), those on rear part notched (18-20); cheek behind eye without scales; pectoral base and belly scaled; 2 rows scales (upper row small) above rear part of lateral line; body scales rough.

Body translucent, rear not orange to red; iris with 3 red spokes in front, a broad red band behind; body with 5 vertical brown bars, last one darkest, a wide rectangle with squared corners; a short dark bar under eye; 1st dorsal with 2 dark bands; anal fin with 6-8 dark bars; no dark spots on front part of lateral line; tail fin without bars.

Reaches 4 cm.

Lives in rock ledges and complex coral formations, in sheltered areas.

Depth range: 1-6 m.

An uncommon species from the Bahamas, Puerto Rico, west Caribbean atolls, Belize and Honduras.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Reef only
  • Rocks
  • Corals
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Planktivore
  • Data
  • Zooplankton
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
  • Sessile crustacea
  • Sessile worms
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent
  • Continent + Island (s)
  • GC endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 4
Depth Range Min
  • 1
Depth Range Max
  • 6