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Sphoeroides rosenblatti Bussing, 1996
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Sphoeroides rosenblatti
© Copyright Ross Robertson, 2006 · 12
Sphoeroides rosenblatti

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Sphoeroides rosenblatti
© Copyright Ross Robertson, 2006 · 12
Sphoeroides rosenblatti
Sphoeroides rosenblatti
© Copyright Ross Robertson, 2006 · 12
Sphoeroides rosenblatti

Main identification features
  • convex and very wide between eyes
  • back: center ring oval
  • tail fin - outer 1/2 black
  • snout short
Body oblong, thick; snout relatively short (<1/2 head length); very wide (23-29% head length) and convex between eyes; nasal organ a short papilla with 2 small holes at end; body and head spiny except in front of nostrils and on tail base; no skin flaps; dorsal 8, anal 7, pectoral 15-17; tail slightly rounded.

Dark grey above, tan sides, belly abruptly white; pale lines on upper surface - usually 2 elongate ovals on center back, line across rear border of eyes, down onto operculum, 2 lines across snout, line across back before ovals and down to pectoral base, 1-2 short lines behind dorsal fin; broad band of small black spots along midside, from operculum to tail base; fins except tail pale; tail inner 1/2 dusky, outer half black.

Size: 30 cm.

Habitat: demersal on soft bottoms in estuaries.

Depth: 1-20 m.

Costa Rica and Panama.

Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 20 m.
Depth Range Min: 1 m.
Diet: octopus/squid/cuttlefish; mobile benthic crustacea (shrimps/crabs); mobile benthic gastropods/bivalves.
Eastern Pacific Range: Northern limit=11; Southern limit=8; Western limit=-86; Eastern limit=-79; Latitudinal range=3; Longitudinal range=7.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Estuary; Mud; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only; Sand & gravel; Mangrove.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 30 cm.
Regional Endemism: Continent only; Continent; TEP endemic; Continental TEP endemic; Panamic province endemic; All species.
Residency: Resident.
Salinity: Brackish; Marine.
Water Column Position: Bottom; Bottom only;

Scientific source:

Links to other sites

  • Rojas , J. R. , Pizarro , J. F. and Castro, M.V., 1994., Diversidad y Abundancia íctica en tres áreas de manglar en el Golfo de Nicoya, Costa Rica., Revista de Biologia Tropical, 42:663-672.
  • Walker , H. J. and Bussing, W. A., 1996., Two new pufferfishes of the genus Sphoeroides from the Eastern Pacific., Copeia, 1996:677-684.


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