Shorefishes of the Eastern Pacific online information system

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Species: Cynoscion othonopterus, Gulf corvina, Gulf weakfish

All Families:   All Genera:   All Species:

D IX-X + I, 23-27
LL 54-66
lower gill rakers 13-16
D2 & A ~completely scaled
body scales rough

Cynoscion othonopterus Jordan & Gilbert, 1882

Gulf corvina, Gulf weakfish

Elongate, fusiform, compressed, oval cross-section; head long, pointed; mouth large, ends before end of eye, oblique, lower jaw projecting strongly; front of top jaws with 1 pair of large pointed canines; no barbels or pores on chin; 13-16 long, lower gill rakers; margin of preopercle smooth; dorsal with long base, no gap separating the two parts, IX-X + I, 23-27; anal II, 10-11; pectoral fins reaching past pelvic tip; rear margin of tail squarish to slightly concave; scales rough on body, smooth on head, 54-66 on lateral line, lateral line scales slightly smaller than adjacent scales, with small accessory scales;  anal and soft dorsal fin almost entirely covered with smooth scales; lateral line arched anteriorly and becoming straight near level of soft dorsal fin origin.

Color silvery, blue-grey above with dark dots on scales; tip of chin dusky; lining of opercle dusky; fins yellowish.

Size: reaches at least 70 cm.

Inhabits coastal seas.

Depth: 1-30 m.

The upper Gulf of California.


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Salinity
  • Marine
  • Brackish
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom + water column
  • Mid Water
  • Near Bottom
  • Bottom
Habitat
  • Sand & gravel
  • Estuary
  • Water column
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Bentho-Pelagic
Feeding Group
  • No Data
  • Carnivore
Diet
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Octopus/squid/cuttlefish
  • No Data
Egg Type
  • Pelagic larva
  • No data
  • Pelagic
Global Endemism
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
  • All species
Regional Endemism
  • TEP endemic
  • Temperate Eastern Pacific, primarily
  • Northern Gulf of California endemic
  • All species
  • Cortez province endemic
  • Continent only
  • Continental TEP endemic
  • Continent
Residency
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • North Temperate (Californian Province &/or Northern Gulf of California)
IUCN Red List
  • Vulnerable
  • Listed
CITES
  • Not listed
Depth Range Max
  • 30
Depth Range Min
  • 1
Length Max
  • 70