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Species: Centropomus undecimalis, Common snook

All Families:   All Genera:   All Species:

snout not upturned
slender
D2 I, 10
lower gill rakers 8-10
pectoral 15-17, =/> pelvic
A III, 6, 2nd spine thick, curved, >3rd, not reaching C base
scales: 67-78 laterals, LL to A origin 10-14

Centropomus undecimalis (Bloch, 1792)

Common snook

Body oblong, compressed, slender; upper head profile slightly concave;  mouth large and protractile, lower jaw protruding; teeth small, in bands; margin of preopercle serrated; gill rakers 18-24, lower rakers 8-10; dorsal rays VIII + I, 10 (rarely 9 or 11), 3rd spine > 4th; anal fin short, III strong spines, 5-7 (usually 6), 2nd spine thick and curved, longer than 3rd spine when erect, but not reaching to base of tail fin when depressed; pectoral soft rays 14-16 (usually 15-16), fin about as long as pelvic; pelvics insert a little behind pectoral base, with I strong spine and 5 rays; tips of pelvic fins not reaching anus in adults; scales large, rough, lateral scales (immediately above lateral line) 67-77 (usually 68-75); 10-14 scales between lateral line and anal fin origin; lateral line extends to the end of the forked tail fin.

Overall yellow-brown to greenish-brown above, silvery below; dark lateral line; fins dusky.

Size: to 140 cm.

Inhabits bays, estuaries, lagoons, entering freshwater; prefers low salinity to freshwater over marine conditions.

Depth: 0-25 m.

S Carolina to southern Brazil.


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Salinity
  • Freshwater
  • Marine
  • Brackish
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Mid Water
  • Bottom
  • Near Bottom
  • Bottom + water column
Habitat
  • Mangrove
  • Freshwater
  • Water column
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Beach
  • Estuary
  • Mud
  • Sand & gravel
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
Diet
  • Bony fishes
  • Mobile benthic gastropods/bivalves
  • Data
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Pelagic
  • Pelagic larva
  • Data
Global Endemism
  • West Atlantic Endemic
  • Greater Caribbean non-endemic
Regional Endemism
  • Also in Brazil
  • GC non-endemic
  • Continent
  • Continent only
  • Extends North of GC
  • Extends N + S of GC
  • Extends South of GC
Residency
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Not evaluated / Listed
CITES
  • Not listed
Length Max
  • 140
Depth Range Min
  • 0
Depth Range Max
  • 25