Common names from other countries
Elasmobranquios (tiburones y rayas) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Sphyrnidae (Hammerhead, bonnethead, or scoophead sharks)
Etymology: Sphyrna: Probable misspelling of sphyra (Gr.), hammer, referring to their hammer-shaped heads. (See ETYFish); corona: Latin for crown or halo, allusion not explained, probably referring to irregularly oval oculonarial expanse. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Ecología
marino demersal; rango de profundidad 0 - 100 m (Ref. 121788). Tropical; 32°N - 19°S, 115°W - 69°W
Eastern Pacific: southern Mexico to northern Peru, probably including the Gulf of California.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 92.0 cm TL macho / no sexado; (Ref. 244)
Found on the continental shelf, presumably inshore. Viviparous, presumably with 2 young per litter. Probably the smallest species of hammerhead.
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
Viviparous, placental (Ref. 50449).
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Pesquerías: pesquerías de subsistencia
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Ref.
115969): 15.9 - 25.2, mean 20.8 (based on 20 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5029 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00157 - 0.00767), b=3.12 (2.93 - 3.31), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.9 ±0.4 se; based on size and trophs of closest relatives
Resiliencia (Ref.
120179): Muy bajo, población duplicada en un tiempo mínimo superior a 14 años (Fec=2).
Fishing Vulnerability (Ref.
59153): High vulnerability (57 of 100).