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Species: Sphoeroides pachygaster, Blunthead puffer

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v blunt head
wide between eyes
indistinct dark blotches on flank
skin smooth, no prickles
C straight/ slightly concave

Sphoeroides pachygaster (Muller & Troschel, 1848)

Blunthead puffer

Body oblong, thick, inflatable; head very blunt; wide between eyes; nasal organ on each side a short papilla with 2 small holes at end; eyes high on sides of head; jaws are a strong beak composed of 4 fused heavy powerful teeth with a central suture on each jaw; a slit-like gill opening in front of the pectoral fin base; a single short- based dorsal fin at rear of body; a similar-shaped anal fin with origin under or behind last few dorsal rays; dorsal rays 9, anal rays 8-9; pectoral 12-15; no pelvic fins; no spines in the fins; tail fin edge bluntly straight to slightly concave, with 10 main rays; tough scaleless skin, no skin flaps or prickles on skin.

Uniform brown to grey above, fading to unpigmented below; with indistinct  dark blotches and spots on flank.

Size: 46 cm.

Habitat: demersal on sand, mud and rocky bottoms.

Depth: 1-500 m, rarely above 100m.

Apparently circumglobal (except for the eastern Pacific); New Jersey to Argentina.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
Habitat
  • Reef and soft bottom
  • Mud
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Sand & gravel
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
Diet
  • Octopus/squid/cuttlefish
Egg Type
  • Benthic
  • Pelagic larva
  • No data
Global Endemism
  • Greater Caribbean non-endemic
  • Circumtropical ( Indian + Pacific + Atlantic Oceans)
Regional Endemism
  • GC non-endemic
  • Extends N + S of GC
  • Continent only
  • Extends North of GC
  • Continent
  • Extends South of GC
  • Also in Brazil
Residency
  • Resident
Climate Zone
  • Temperate (>35N)
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Tropical (10-23N, Nicaragua / Cuba)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Listed
  • Least concern
CITES
  • Not listed
Length Max
  • 46
Depth Range Min
  • 1
Depth Range Max
  • 500