Shorefishes of the Greater Caribbean online information system

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Species: Evermannichthys metzelaari, Roughtail Goby, Roundtail Goby

All Families:   All Genera:   All Species:

snout pointed
top lip partly connected to snout
Ds separate; D1 IV-V
body: dense dots + ~16 dark bars, some in Vs
scales: A base 1 row; flank 0-25; tail base 2 side + bottom row

Evermannichthys metzelaari Hubbs, 1923

Roundtail Goby, Roughtail Goby

Body very elongate; snout pointed; no head pores; top lip partly connected to snout; tongue with slight indentation; teeth in upper and lower jaw in several rows, outer enlarged; gill membranes broadly joined to body under throat, with 5 rays; dorsal fin IV-V (1st 2 spines closer together than remaining spines) + I, 12-15; length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 10-11 (9-13); pectoral rays I, 12 (11-13); pelvic fins form a complete disk; segmented tail rays 17; anal fin base with a row of scales; scales along sides of body range from 0-25, rough; a series of very rough scales along the bottom edge of the tail base and 2 very rough scales on the sides of the tail base; no lateral line.

Head and body pale grey to tan, densely covered with tiny brown dots; body with about 16 blackish to red-brown bars, some connect to form Vs; tail fin with several dark bars; males have a dark subterminal or terminal stripe in the anal fin and both dorsal fins.

Reaches: 2.4 cm.

Habitat: lives inside sponges; common in Spheciospongia vesparia.

Depth: 0.6-41 m.

The Bahamas to the S Caribbean.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Reef only
  • Sponges
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Data
  • Planktivore
  • Data
  • Zooplankton
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent
  • Continent + Island (s)
  • GC endemic
  • Insular primarily
  • 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
  • 2.4
Depth Range Min
  • 0
Depth Range Max
  • 41