Actinopterygii (ray-finned fishes) >
Tetraodontiformes (Puffers and filefishes) >
Tetraodontidae (Puffers)
Etymology: Sphoeroides: Greek, sphaira = ball + Greek, suffix, oides = similar to (Ref. 45335).
Environment / Climate / Range
Ecology
Marine; brackish; reef-associated; depth range 0 - 11 m (Ref. 9710). Subtropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL male/unsexed; (Ref. 7251); common length : 20.0 cm TL male/unsexed; (Ref. 3821)
Short description
Morphology | Morphometrics
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 8;
Anal
spines: 0;
Anal
soft rays: 7. Upper side brown with large dark grey to black spots and light (pale blue or green in fresh specimens) irregular-shaped reticulations. Lower side with an irregular row of dusky to black rounded spots. The axil spot the most intense in the series. Sexually mature, ripe males sometimes covered with brilliant red or orange spots of about 1 mm in diameter (white in preserved specimen). No lappets on head or body (Ref 53033).
Western Atlantic: northeastern Florida and northern Gulf of Mexico in the USA and the Bahamas to Campeche in Mexico and Lesser Antilles. Taxonomic status of populations from northern South America to Brazil uncertain.
Inhabits bays, estuaries and protected coastal waters. Feeds primarily on shellfish, also on some finfish (Ref. 3821).
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p.
IUCN Red List Status (Ref. 90363)
Threat to humans
Harmless
Human uses
Fisheries: subsistence fisheries
More information
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Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00000 (0.00000 - 0.00000), b=0.00 (0.00 - 0.00), based on (Ref.
93245).
Trophic Level (Ref.
69278): 2.4 ±0.3 se; Based on diet studies.
Resilience (Ref.
69278): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100) .