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Species: Sphoeroides georgemilleri, Plaincheek Puffer

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upper body - few dark indistinct blotches
prickles: narrow strip along back -snout to pectoral tip; & chin to near anus; none on sides
no skin flaps
pectoral 16
pectoral 16

Sphoeroides georgemilleri Shipp, 1972

Plaincheek Puffer

Body oblong, thick, inflatable; head blunt; 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 8, anal rays 7; pectoral usually 16 (rarely 15 or 17); no pelvic fins; no spines in the fins; tail fin edge straight, with 10 main rays; tough scaleless skin, no skin flaps on back; prickles in a narrow strip from snout to above level of tip of pectoral fin, and below, from chin to just before anus; no prickles on sides of head or body; a patch of scale-like structures behind pectoral base.

Upper body light grey to brown, with a few dark ill defined blotches; cheeks without marks

Size: 12 cm.

Habitat: demersal on soft bottoms.

Depth: 1-151 m.


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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Mud
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
  • Octopus/squid/cuttlefish
  • Sea-stars/cucumbers/urchins
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Caribbean endemic
  • Continent
  • Continent only
  • GC endemic
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 12
Depth Range Min
  • 1
Depth Range Max
  • 151