Sphoeroides pachygaster (Müller & Troschel, 1848)
Blunthead puffer

Stompkop-blaasop Blunthead blaasop, 

Sphoeroides pachygaster
photo by Cambraia Duarte, P.M.N. (c)ImagDOP

 Family:  Tetraodontidae (Puffers), subfamily: Tetraodontinae
 Max. size:  40.5 cm SL (male/unsexed)
 Environment:  benthopelagic; depth range 50 - 480 m
 Distribution:  Circumglobal in tropical and temperate seas.
 Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 7-9; Anal spines: 0-0; Anal soft rays: 8-9. Body without prickles (Ref. 559). Brownish above, white below; occasionally with dark spots on flanks (Ref. 4919).
 Biology:  Inhabit sandy, muddy and rocky bottoms (Ref. 2683). Young are pelagic (Ref. 7251). Feed mainly on squid. In southeast Brazil captured between 50 and 145 m (Ref. 47377).
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:  Ranges from the east coast south to the Cape. Also Ref. 4422.

 Entered by: Froese, Rainer - 02.05.91
 Modified by: Bailly, Nicolas - 15.07.13
 Checked by: Froese, Rainer - 10.06.94

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