Teleostei (teleosts) > Tetraodontiformes
(Puffers and filefishes) > Tetraodontidae
(Puffers) > Tetraodontinae
Etymology: Sphoeroides: Greek, sphaira = ball + Greek, suffix, oides = similar to (Ref. 45335).
More on author: Jenyns.
Environment: milieu / climate zone / depth range / distribution range
Marine; brackish; reef-associated; depth range 10 - 60 m (Ref. 91172). Subtropical; 34°N - 19°S, 123°W - 70°W
Eastern Pacific: California, USA to Pisco, Peru and the Galapagos Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 44.0 cm TL male/unsexed; (Ref. 9349); common length : 18.0 cm TL male/unsexed; (Ref. 9349)
Found on soft bottom (Ref. 9349). Juveniles inhabit estuaries (Ref. 9349). Makes a loud grating noise (Ref. 3157).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 126983)
Threat to humans
Poisonous to eat (Ref. 4690)
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 18.7 - 28.9, mean 25.8 °C (based on 86 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01537 - 0.03576), b=2.91 (2.79 - 3.03), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.1 ±0.44 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low to moderate vulnerability (34 of 100).
Nutrients (Ref. 124155
): Calcium = 23 [9, 79] mg/100g; Iron = 0.579 [0.293, 1.340] mg/100g; Protein = 19.2 [17.0, 21.4] %; Omega3 = 0.179 [0.089, 0.342] g/100g; Selenium = 17.7 [7.7, 40.4] μg/100g; VitaminA = 23.8 [5.8, 107.3] μg/100g; Zinc = 0.797 [0.502, 1.298] mg/100g (wet weight);