Species: Isopisthus remifer, Bigeye corvina, Silver weakfish
Isopisthus remifer Jordan & Gilbert, 1882
Bigeye corvina, Silver weakfish
Body elongate, very compressed; eye large; mouth oblique, lower jaw strongly projecting; chin without barbells and pores; tip of top jaw with a pair of large, curved canine teeth; 7-10 lower gill rakers; preopercle weakly serrated; dorsal fin divided in two well separated parts, VII-IX+I-II, 21-23; anal fin with II short spines, base long, about equal to that of base of soft dorsal, 17-19 soft rays; pectoral fins long, reaching beyond tips of depressed pelvic fins; caudal fin bluntly pointed to straight; scales smooth; soft dorsal and anal fins entirely scaled; pored lateral-line scales 52-57.
Silver, bluish grey on upper back; tip of lower jaw and opercular lining black; pectoral axil dark; fins pale to yellowish.
Size: to 35 cm.
Inhabits coastal waters and lower parts of estuaries.
Depth: 4-50 m.
Southern Baja California, and the eastern Gulf of California to Chile.
High Resolution Map Download
- Non Marine
- Inshore Only
- Water Column Position
- Near Bottom
- Mid Water
- Bottom + water column
- Sand & gravel
- Water column
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- FishBase Habitat
- Feeding Group
- Bony fishes
- Mobile benthic crustacea (shrimps/crabs)
- Egg Type
- Pelagic larva
- No data
- Global Endemism
- Tropical Eastern Pacific (TEP) endemic
- All species
- East Pacific endemic
- Regional Endemism
- All species
- TEP endemic
- Continent only
- 3 provinces (Cortez + Mexican + Panamic) endemic
- Continental TEP endemic
- Climate Zone
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- South Temperate (Peruvian Province )
- Northern Subtropical (Cortez Province + Sinaloan Gap)
- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- North Temperate (Californian Province &/or Northern Gulf of California)
- IUCN Red List
- Least concern
- Not listed
- Length Max
- Depth Range Min
- Depth Range Max