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Species: Gobiosoma longipala, Twoscale goby

All Families:   All Genera:   All Species:

tiny barbel before eye
pores: opercle 2; preopercle 3
alternating dark & light bars of same width, edges wavy
center flank: row dark spots
D2 I,11; A 9; pectoral 17
pelvic disc oval
only scales = 2 small, very rough on C base

Gobiosoma longipala Ginsburg, 1933

Twoscale goby

Body robust, head rounded, wider than deep; 1 pore between eyes; very small barbel before eye on inner edge of upper lip; 2 pores over opercle; preopercle with 3 pores; anterior nostril - short tube; posterior - raised rim; mouth nearly terminal; upper lip separated from snout by a groove along its top edge; no teeth on roof of mouth; outer row of teeth enlarged in both jaws; tongue entire; end of maxilla on vertical about through rear margin of eye; teeth with 3-4 rows, outer enlarged in upper, lower with outer and inner enlarged; gill membranes broadly joined to body under throat, with 5 rays; dorsal fin VII (rarely VI or VIII), not filamentous + I, 11 (9-12); length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 9 (8-10); pectoral fins 17 (15-18); pelvic fins I, 5, fin long, reaching to anus, oval, disk complete; tail fin with 17 branched rays, oval; body without scales except for 2 small very rough scales on the tail fin base; no lateral line.

Body with 9 light bars alternating with darker brown areas, each about the same width; lighter and darker bars fairly well delimitated on front of body, both rather uniformly pigmented; their edges rather sinuous, not entirely straight; a series of small dark brown spots along center of flank.

Size: 5.0 cm.

Habitat - Coastal bays and deeper canals in shell & sand bottoms.

Depth: 0-20 m.

Gulf of Mexico.


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Salinity
  • Marine
  • Brackish
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
Habitat
  • Soft bottom only
  • Sand & gravel
  • Mud
  • Estuary
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
Diet
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
Egg Type
  • Benthic
  • Pelagic larva
  • Data
Global Endemism
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent
  • Gulf of Mexico endemic
  • GC endemic
  • Continent only
Residency
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Not evaluated / Listed
CITES
  • Not listed
Length Max
  • 5
Depth Range Min
  • 0
Depth Range Max
  • 20