Elasmobranchii (sharks and rays) > Carcharhiniformes
(Ground sharks) > Pentanchidae
Etymology: Galeus: galeos, a small shark or dogfish according to Aristotle and others. (See ETYFish); springeri: In honor of American ichthyologist Stewart Springer (1906-1991), an “outstanding leader” in shark taxonomy, for his work with the family Scyliorhinidae (which included Pentanchidae at the time). (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 450 - 700 m (Ref. 55584). Deep-water
Western Central Atlantic: Lesser Antilles, Puerto Rico, north coast of Hispaniola, and Cuba.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 31.8 cm TL male/unsexed; (Ref. 28030); 43.8 cm TL (female)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Konstantinou, H. and J.R. Cozzi, 1998. Galeus springeri, a new species of sawtail catshark from the Caribbean Sea (Chondrichthyes, Scyliorhinidae). Copeia 1998(1):151-158. (Ref. 28030)
IUCN Red List Status (Ref. 126983)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 7.9 - 13.4, mean 10.9 °C (based on 26 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00173 - 0.00727), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.9 ±0.2 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153
): Low to moderate vulnerability (34 of 100).