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Species: Sicydium buscki, Busck’s stone-biting goby

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elongate
head blunt, depressed
D1 VI, spines filamentous in male, higher than D2
body: 6 broad dark bars
C base: dark bar/spot
mouth under snout, opens down, thick lips
top teeth well spaced,long curve at right angle, front faces forwards
pelvics: oval disc fused to belly by membrane

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Sicydium buscki Evermann & Clark, 1906

Busck’s stone-biting goby

Body elongate, square in cross-section, back broad and flat to slightly concave; head blunt, somewhat depressed; mouth opening angled downwards, overhung by snout, with thick lips; inside top lip with a papillae covered ridge; top teeth long and narrow, widely spaced, with tip curved, flattened and facing forwards, with a narrow longitudinal groove down its center, spatula like (but notched when worn), in 1 row of 25-50; lower teeth canine-like in male (1-8), conical in female (1-6), in a single row; dorsal and anal fins separate from tail fin; dorsal fin VI + I, 10 (9-10), 1st dorsal higher in adults, with spines 3-4 filamentous in males; anal fin I, 10 (9-11), directly opposite 2nd dorsal fin; pelvic fins united in a broad oval disc that is mostly fused to belly by membrane, with 6 stout radiating ridges on its bottom; pectoral rays 21 (19-22); tail fin rounded, 13-14 (11-16); scales small, 55-60 (49-71) lateral scales; scales rough along sides of body, upper and lower scales smooth; head, breast, pectoral base and belly scaleless.

Preserved fish tan; head with a dark bar from eye to rear of top lip; usually 6 broad dark bars on side of body, darker above; tail fin base with a dark bar or circular spot; 1st dorsal fin dusky, 2nd dorsal with black margin; anal fin with black edge in male; juveniles with stronger dark markings.

Reaches 9.5 cm.

Lives in streams, but enters brackish water.

Depth range: 0-2 m?

Cuba, Hispaniola and Puerto Rico.


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Salinity
  • Freshwater
  • Brackish
  • Non Marine
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
Habitat
  • Rocks
  • Freshwater
  • Estuary
FishBase Habitat
  • Demersal
Feeding Group
  • Herbivore
  • No Data
Diet
  • Benthic microalgae
Egg Type
  • Pelagic larva
  • No data
  • Benthic
Global Endemism
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • GC endemic
  • Island (s)
  • Island (s) only
  • Antilles endemic
Residency
  • Resident
Climate Zone
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Not evaluated / Listed
CITES
  • Not listed
Length Max
  • 9.5
Depth Range Min
  • 0
Depth Range Max
  • 2