Blunthead puffer (Sphoeroides pachygaster) fish species and information / pictures of Blunthead puffer - Sphoeroides pachygaster

Blunthead puffer (Sphoeroides pachygaster) fish species information

Scientific Name
Sphoeroides pachygaster

Common Name
Blunthead puffer

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 7-9; Anal spines: 0; Anal soft rays: 8 - 9. Body without prickles (Ref. 559). Brownish above, white below; occasionally with dark spots on flanks (Ref. 4919).

Classification

Classified By
M?ller & Troschel, 1848
Class
Ray-finned fishes (Actinopterygii)
Order
Puffers and Filefishes (Tetraodontiformes)
Family
Puffers (Tetraodontidae)

Distribution

Region
Circumglobal in tropical and temperate seas.
Distribution
Circumglobal in tropical and temperate seas.
Range
61°N - 51°S, 99°E - 149°E

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
50 m
Depth To - meters
480 m
Zone
benthopelagic
Environment
Marine; benthopelagic; depth range 50 - 480 m (Ref. 33352), usually 50 - 250 m (Ref. 10985)
Trophic Level
4.2 s.e. 0.73 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
40.5 cm
Common Length
26.0 cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: commercial
Vulnerability
Moderate to high vulnerability (47 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless (Ref. 559)
IUCN Red List Status
  Vulnerable (VU) (D2)