Species: Cynoscion squamipinnis, Scale-fin weakfish, Scalyfin corvina, Yellow-mouth weakfish
Cynoscion squamipinnis (Günther, 1867)
Scalyfin corvina, Scale-fin weakfish, Yellow-mouth weakfish
Elongate, fusiform, compressed, oval cross-section; head conical; mouth strongly oblique, ends after eye, lower jaw very prominent; front of top jaws with 1 pair of large pointed canines; no pores or barbels on chin; 9-10 lower gill rakers; margin of preopercle smooth; dorsal with long base, no gap separating the two parts, VII-VIII + I, 21-23; anal II, 9; pectoral fins reach beyond tips of depressed pelvic fins; tail fin angular, the middle rays longest; scales rough on body, smooth on head; inner ¾ to all of membranes of soft dorsal and anal fin covered with small scales; 51-61 scales on lateral line, these larger than adjacent rows and with small accessory scales.
Color silvery, greyish on upper back; tip of lower jaw dusky; inside of mouth yellow orange; pectoral axil dark; dorsal and anal fins dusky; tip of tail fin blackish.
Grows to a maximum size of 64 cm.
Inhabits coastal seas, common in shallow areas but not in estuaries.
Depth: 1-30 m.
Southern Baja to northern Peru.
High Resolution Map Download
- Inshore Only
- Water Column Position
- Bottom + water column
- Near Bottom
- Mid Water
- Sand & gravel
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- Water column
- FishBase Habitat
- Feeding Group
- Bony fishes
- Mobile benthic crustacea (shrimps/crabs)
- Egg Type
- No data
- Pelagic larva
- Global Endemism
- Tropical Eastern Pacific (TEP) endemic
- All species
- East Pacific endemic
- Regional Endemism
- All species
- Continental TEP endemic
- Continent only
- 3 provinces (Cortez + Mexican + Panamic) endemic
- TEP endemic
- Climate Zone
- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- Northern Subtropical (Cortez Province + Sinaloan Gap)
- IUCN Red List
- Least concern
- Not listed
- Length Max
- Depth Range Min
- Depth Range Max