Main identification features
Slender-bodied (body depth 11.5-17.5% of total length); snout moderately long and slightly pointed, length in front of mouth 6.9-9.3% of total length; a low, narrow ridge on back between dorsal fins; origin of first dorsal fin behind inner pectoral corner (by at least one-third length of inner pectoral margin), fin small, low and rounded with strongly curved trailing edge; origin of second dorsal over or slightly behind anal origin, fin height ~1/2 its length; length; pectoral large, curved.
- 1st dorsal fin small, orgin behind pectoral
- 2nd dorsal fin and anal fin long free tips at rear, height less than length
- pectoral: large, curved
Grey to dark grey dorsally, shading to white ventrally, sometimes with faint band of white invading grey of upper abdomen; first dorsal fin unmarked; second dorsal, anal, lower caudal lobe and pectoral fins may have dusky tips.
Grows to 350 cm; size at birth 70-87 cm.
Habitat: found inshore but more abundant offshore.
Depth: 0-500 m.
Circumtropical; central Baja and the Gulf of California to Ecuador and the oceanic islands.
Cites: Not listed.
Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ).
Depth Range Max: 500 m.
Depth Range Min: 0 m.
Diet: bony fishes; Pelagic crustacea; octopus/squid/cuttlefish.
Eastern Pacific Range: Northern limit=32; Southern limit=-6; Western limit=-115; Eastern limit=-78; Latitudinal range=38; Longitudinal range=37.
Egg Type: Live birth; No pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Pelagic.
Global Endemism: Circumtropical ( Indian + Pacific + Atlantic Oceans); East Pacific + Atlantic (East +/or West); Transisthmian (East Pacific + Atlantic of Central America); East Pacific + all Atlantic (East+West); All Pacific (West + Central + East); TEP non-endemic; "Transpacific" (East + Central &/or West Pacific); All species.
Habitat: Water column.
Inshore Offshore: Inshore; Offshore; In & Offshore.
IUCN Red List: Not evaluated / Listed.
Length Max: 350 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); Eastern Pacific non-endemic; Tropical Eastern Pacific (TEP) non-endemic; All species.
Salinity: Marine; Marine Only.
Water Column Position: Mid Water; Near Surface; Surface; Water column only;