BPBM 20671Ichthyology

Rhizoprionodon acutus

Milk Shark

As recorded: Rhizoprionodon acutus (Rüppell, 1837)

Animalia › Chordata › Elasmobranchii › Carcharhiniformes › Carcharhinidae

Collected by: J.E. Randall et al
Date: February 1, 1975
Locality: India; Madras-Tuticorin
Island: India
Record type: Preserved specimen

6 Bishop specimens of Rhizoprionodon acutus · collected 1975–1983Species page ›

Collected the same day

On February 1, 1975, J.E. Randall et al also collected 24+ other specimens.

Rhizoprionodon acutus observed alive

This specimen was collected in 1975. Since 2000, iNaturalist observers have recorded 68 research-grade sightings in the wild, most recently on 2026-07-23.

2026-07-23

Santa Isabel, Cabo Verde

(c) Gonzalo Mucientes Sandoval, some rights reserved (CC BY-NC)

2026-06-02

Jidhafs, Capital Governorate, BH

(c) amira_b, some rights reserved (CC BY-NC)

2026-02-13

Rungoo, Tropical North Queensland, AU

(c) bridgetnolan, some rights reserved (CC BY-NC)

2026-02-13

Rungoo, Tropical North Queensland, AU

(c) bridgetnolan, some rights reserved (CC BY-NC)

2026-02-13

Cardwell, AU-QL, AU

(c) bridgetnolan, some rights reserved (CC BY-NC)

2026-02-13

Rungoo, Tropical North Queensland, AU

(c) bridgetnolan, some rights reserved (CC BY-NC)

Observations and photos from iNaturalist, shown only when openly licensed.

Cite this specimen

Rhizoprionodon acutus. BPBM 20671. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 38452944. Accessed via explore.bishopmuseum.org/specimens/i/20671.

Record sources

GBIF occurrence 38452944 ↗
Data license: CC0
Last harvested October 26, 2026