Species: Hemicaranx zelotes, Blackfin jack
Hemicaranx zelotes Gilbert in Jordan & Evermann, 1898
Blackfin jack
Body oval, moderately compressed in adult; both jaws with comb-like single row of small teeth; no papillae on edge of shoulder immediately after gill chamber; gill rakers (excluding rudiments) 7-10 + 18-23; dorsal rays VII-VIII+I, 25-31; anal rays II+I, 22-25; no finlets behind dorsal and anal fins; pectoral fins longer than head, length of fin 23-29% of fork length, fin reaches anal fin origin; tail base without keels; no branch of lateral line along besides base of dorsal fin; lateral line with pronounced, short arch anteriorly; straight rear part (but not curved front part) of lateral line with 47-55 well developed scutes (large, hard, spiny scales); scutes on front of tail base relatively relatively high (1.9-3.6% of SL); most of body with small but easily visible scales.
Dark olive to deep blue above, dusky silvery below; a large jet-black blotch on base of pectoral fins; fins dark, not yellow; juveniles with 4-5 dark bars on side.
Maximum size to 32.5 cm.
Habitat: over soft bottoms. Common inshore, often found in schools.
Depth: 0-30 m.
Southern Baja and the lower Gulf of California to northern Peru.
High Resolution Map Download
- Salinity
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- Marine
- Brackish
- Inshore/Offshore
-
- Inshore Only
- Inshore
- Water Column Position
-
- Bottom + water column
- Bottom
- Near Bottom
- Near Surface
- Mid Water
- Habitat
-
- Water column
- Estuary
- Sand & gravel
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- FishBase Habitat
-
- Bentho-Pelagic
- Feeding Group
-
- No Data
- Carnivore
- Diet
-
- Bony fishes
- No Data
- Mobile benthic crustacea (shrimps/crabs)
- Egg Type
-
- Pelagic larva
- Pelagic
- No data
- Global Endemism
-
- Tropical Eastern Pacific (TEP) endemic
- All species
- East Pacific endemic
- Regional Endemism
-
- Continent
- Continental TEP endemic
- All species
- Continent only
- 3 provinces (Cortez + Mexican + Panamic) endemic
- TEP endemic
- Residency
-
- Resident
- Climate Zone
-
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- Northern Subtropical (Cortez Province + Sinaloan Gap)
- South Temperate (Peruvian Province )
- IUCN Red List
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- Least concern
- Listed
- CITES
-
- Not listed
- Length Max
-
- 32.5
- Depth Range Min
-
- 0
- Depth Range Max
-
- 30
