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Species: Parrella macropteryx, Longtail Goby

All Families:   All Genera:   All Species:

head flattened
body: 5 internal red-brown bars
fins & scale edges blackish
C: long, pointed, black spot upper base
mouth long, oblique before horizontal
pelvics form disc

Parrella macropteryx Ginsburg, 1939

Longtail Goby

Body slender, compressed; head flattened, with well developed pores and papillae; no pore between front of eyes; mouth long (reaching under or past eye) oblique at front, horizontal at rear; tip of tongue notched; teeth in bands, without canines; gill membranes broadly joined to body under throat, with 5 rays; dorsal fin VII (a little higher than 2nd dorsal) + I, 9-12; length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 12 rays; pectoral fin long, pointed; pelvic fins I, 5, fused in disc; tail fin long (about ½ SL), pointed, 10-13 rays; scales mostly smooth, large (28-38 on side), present only behind pectoral base; no lateral line.

Pale brown, belly silvery; under throat and edge of operculum dark; body with 5 diffuse internal reddish-brown bars along side, last on at end of tail base; scales of body with dark edges; dorsal, tail, anal and pelvic fins dark; a black spot at the upper tail fin base.

Reaches 6.2 cm.

Habitat: coastal areas with mud/sand bottom, leaves, small rocks.

Depth: 18-46 m

Cuba to Brazil.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Mud
FishBase Habitat
  • Demersal
Feeding Group
  • Data
  • Planktivore
  • Data
  • Zooplankton
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Also in Brazil
  • Extends South of GC
  • GC non-endemic
  • Island (s)
  • Island (s) only
  • All species
  • Resident
Climate Zone
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 6.2
Depth Range Min
  • 18
Depth Range Max
  • 46