Shorefishes of the Eastern Pacific online information system

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Species: Enneanectes macrops, Mexican triplefin

All Families:   All Genera:   All Species:

nasal bone: smooth
flank: brown scale borders
tail base: top white
upper opercle - patch scales
pectoral: 15
opercle scaled; inner pectoral base - no large scale

Enneanectes macrops Rosenblatt et al, 2013

Mexican triplefin

Head broad, body robust; eye large, high; cirrus over eye well developed, flap-like, with fringed edge; no cirri on nape; top of head behind eyes with small, close-set spines; bone bearing nostrils with spines; no teeth on sides of roof of mouth; top of head and upper opercular margin spiny; 3 dorsal fins: III + XI-XIII + 8-10, 4-8 soft rays branched; anal soft rays16-18; pectoral 15 (14-16); pelvics I (imbedded), 2; scales medium to large, 31-33 in longitudinal series;  body scales rough, belly ranging from completely covered with smooth scales to scales only along side, to scaleless; head scaleless except well developed patch of rough scales on opercle; no large scale covering upper 2/3 of inner base of pectoral; first 2 scalesabove lateral line equal in size; lateral line in 2 straight, slightly overlapping sections, scales on front part pored (16-18), those on rear part notched (17-20).

Body with brown edges on scales forming a meshwork; 4 irregular dark bars on body and one on base of tail; head with two dark bars under eye, and another on preopercle, operculum mostly dark; top of tail base with white stripe; tail fin dark, with clear central bar; dorsal fins and anal fin with diagonal dark bars; pectoral with dark base, fin with alternating dark and yellowish bars.

Size: 5 cm.

Habitat: rocky shores.

Depth: 0-15 m.

SE Gulf of California to southern Mexico.

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  • Marine Only
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
  • Rocks
  • Reef only
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
  • Mobile benthic gastropods/bivalves
  • No Data
Egg Type
  • Pelagic larva
  • No data
  • Benthic
Global Endemism
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
  • All species
Regional Endemism
  • TEP endemic
  • Continent
  • Continent only
  • Cortez + Mexican provinces endemic
  • All species
  • Continental TEP endemic
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Not evaluated / Listed
  • Not listed
Length Max
  • 5
Depth Range Min
  • 0
Depth Range Max
  • 15