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Sphyrna alleni Gonzalez, Postaire, Driggers, Caballero & Chapman, 2024

Shovelbill shark
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Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

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).

Environment: milieu / climate zone / rango de profundidad / distribution range Ecología

marino; salobre asociado a arrecife. Tropical

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Mapa de puntos | Introducciones | Faunafri

Western Pacific: Belize to Brazil; including Panama, Colombia, Trinidad and Tobago. S. tiburo from North Carolina, U.S to Belize have potential contact zone with S. alleni between Mexico and Belize (Yucatan Peninsula).

Tamaño / Peso / Age

Madurez: Lm ?  range ? - ? cm
Max length : 6.5 cm TL macho / no sexado; (Ref. 132488); 10.3 cm TL (female)

Short description Claves de identificación | Morfología | Morfometría

This small hammerhead shark (<150 cm at maturity) is distinguished by the following characters: a flat, shovel shaped head without indentations on its anterior edge; cephalofoil anterior margin is pointed (like a triangle) in both sexes and the posterior margins are lobule shaped; anterior margin of males exhibits a pronounced bulge; with enlarged, molariform posterior teeth, the first dorsal rear tip in front of pelvic origins, and shallowly concave posterior anal margin.; differs from S. tiburo with anterior margin of the head more rounded and the lobules on the posterior margin are not present; precaudal vertebral counts 80-83 (ca.10 more vertebrae than S. tiburo) (Ref. 132488).
Cross section: oval.

Biología     Glosario (por ej. epibenthic)

Occurs in coastal waters, estuaries, coral reefs, seagrass beds, and sand bottoms (Ref. 132488).

Life cycle and mating behavior Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Main reference Upload your references | Referencias | Coordinador : Compagno, Leonard J.V. | Colaboradores

Gonzalez, C., B. Postaire, W. Driggers, S. Caballero and D, Chapman, 2024. Sphyrna alleni sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the Caribbean and the Southwest Atlantic. Zootaxa 5512(4):491-511. (Ref. 132488)

IUCN Red List Status (Ref. 130435: Version 2024-2)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

Más información

Ecología Trófica
Food items (preys)
Composición de la dieta
consumo de alimento
Food rations
Despredadores
Ecología
Ecología
Home ranges
Population dynamics
Coeficiente del crecimiento para
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Reclutamiento
Abundancia
Life cycle
Reproducción
Madurez
Maturity/Gills rel.
Fecundidad
Puesta
Spawning aggregations
Huevos
Egg development
Larva
Dinámica larvaria
Distribución
Países
Áreas FAO
Ecosistemas
Ocurrencias, apariciones
Introducciones
BRUVS - Videos
Anatomy
Superficie branquial
Brain
Otolith
Physiology
Body composition
Nutrients
Consumo del oxígeno
Tipo de natación
Velocidad de natación
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genética
Genome
Genética
Heterozygosity
heritabilidad
Human related
Aquaculture systems
Perfiles de acuicultura
Razas
Ciguatera cases
Stamps, coins, misc.
Outreach
Colaboradores
Referencias
Referencias

Herramientas

Special reports

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Fuentes de Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Género, Especie | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | Bases de datos nacionales | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Árbol de la vida | Wikipedia: Go, búsqueda | World Records Freshwater Fishing | Zoobank | Expediente Zoológico

Estimates based on models

Phylogenetic diversity index (Referencia 82804):  PD50 = 0.5006   [Uniqueness, from 0.5 = low to 2.0 = high].
Nivel trófico (Referencia 69278):  3.4   ±0.4 se; based on size and trophs of closest relatives
Resiliencia (Referencia 120179):  Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100). 🛈