- Strong lateral keel on caudal peduncle
- Snout broadly pointed, its undersurface dusky to dark
- Pectoral fins long, about equal in length to head
- Eyes relatively large (compared with Isurus oxyrinchus)
- Anal-fin origin about level with second dorsal-fin insertion
- Anterior teeth with smooth-edged cusps, relatively straight, tips not curved outward
Dorsal surfaces blueish to bluish grey (becoming dark grey after death). Ventral surfaces dusky to whitish.
Maximum size up to ~430 cm TL; size at birth size 92–97 cm TL.
Probably circumglobal in all tropical waters however records are patchy. Found in deeper waters.
View FAO distribution map.
A pelagic and oceanic species.
Probably feeds primarily on pelagic fish and cephalopods, dolphin remains have also been found in stomach content analysis studies CITE. Length at maturity is ~245 cm TL and ~190–228 cm TL for females and males respectively. Age at maturity is UNKNOWN for females and males respectively. Reproductive mode is viviparous with oophagy and adelphophagy, gestation is UNKNOWN with an UNKNOWN reproduction cycle. Litter size is 2–8 pups.
Caught rarely by pelagic longline.
Isurus paucus interactive learning
Isurus paucus market gallery