Lagocephalus inermis (Temminck & Schlegel, 1850)
Smooth blaasop
Lagocephalus inermis
photo by Randall, J.E.

Family:  Tetraodontidae (Puffers), subfamily: Tetraodontinae
Max. size:  90 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 10 - 200 m
Distribution:  Indo-West Pacific: Algoa Bay, South Africa to southern Japan and Australia.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 12-14; Anal spines: 0-0; Anal soft rays: 10-12. Dorsal part of body without prickles, belly covered with prickles (Ref. 559). Greenish or dark grey above, silvery white below (Ref. 4919). Distinguished from other Lagocephalus species by the black gill opening (Ref. 559).
Biology:  Found in the shelf edge (Ref. 11230). Closely resembles the Atlantic species L. laevigatus Linnaeus which reaches southern Angola (Ref. 4919).
IUCN Red List Status: Least Concern (LC); Date assessed: 08 June 2011 Ref. (130435)
Threat to humans:  poisonous to eat
Country info:  From southwest Sumatra to Timor Sea. Museum: LPPL JIF162 (TGT2502).


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