Aliger gigas, Pink conch : fisheries
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Aliger gigas   (Linnaeus, 1758)

Pink conch
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Aliger gigas

Clasificación / Nombres Nombres comunes | Sinónimos | CoL | ITIS | WoRMS

Gastropoda | Littorinimorpha | Strombidae

Entorno: milieu / zona climática / rango de profundidad / gama de distribución Ecología

Benthic; rango de profundidad 2 - 73 m (Referencia 83934), usually ? - 30 m (Referencia 97646).  Tropical; 33°N - 2°S, 97°W - 45°W

Distribución Territories | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Introducciones

Western Atlantic: South Carolina to Brazil.

Longitud en la primera madurez / Tamaño / Peso / Edad

Madurez: Lm ?, range 2 - ? cm Max length : 30.0 cm SHL macho / no sexado; (Referencia 105315); peso máximo publicado: 3.3 kg (Referencia 105296); edad máxima reportada: 30 años (Referencia 126618)

Descripción breve Morfología

Shell large, with relatively large spire, flared outer lip with posterior expansion projecting well beyond spire length. Spire taller than other species in genus. Sculpture of sharp knobs along shoulder. Colour: pale tan with thin brown periostracum. Internal shell colour deep pink.

Biología     Glosario (por ej. epibéntico)

The fisheries have grown exponentially in the last 30 years, with resulting declines in population and area closures. The species has been included on appendix 2 of CITES (Convention on the International Trade of Endangered Species). International trade is allowed only from nations in which the populations of the species are not under threat from commercial fishing (Ref. 355). Maximum weight from Ref. 97674 cited in Ref. 105296. This species is found intertidal and offshore, on coral reefs, particularly on algae, coral sand, and seagrass habitats (Refs. 355, 83934). Adults prefer sandy algal flats; also found on gravel, coral rubble, smooth hard coral and beach rock bottoms. Rarely on soft bottoms of mud and/or silt. Benthic grazer. Feeds on diatoms, seagrass detritus, and various algae and epiphytes. Nocturnal (Refs. 105087, 127891) (Ref. 355).

Ciclo vital y comportamiento de apareamiento Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Copulation may precede spawning. Spawning occurs on a type of calcareous sand formed from the fragmentation of coral reefs, including large quantities of calcareous skeletal remains from small molluscs and calcareous algae. Females deposit the egg mass on the substrate (Ref. 105320). Life cycle: Eggs hatch into veligers after 3-5 days which feed on phytoplankton; after 21 days they undergo metamorphosis (juvenile stage) where they remain buried in the sand and emerge in seagrass beds to feed; adults return to the shallow inshore waters to spawn.

Referencia principal Referencias | Coordinador | Colaboradores

Leal, J.H. 2003 Gastropods. p. 99-147. In Carpenter, K.E. (ed.). The living marine resources of the Western Central Atlantic. Volume 1: Introduction, molluscs, crustaceans, hagfishes, sharks, batoid fishes, and chimaeras. FAO Species Identification Guide for Fishery Purposes and American Society of Ichthyologists and Herpetologists Special Publication No. 5. 1600p. (Referencia 355)

Situación en la Lista Roja de la UICN (Referencia 130435: Version 2025-2 (Global))

  Near Threatened (NT) (A2ab); Date assessed: 02 June 2025

Estatus CITES (Referencia 108899)


CMS (Referencia 116361)

Not Evaluated

Amenaza para el ser humano

Usos humanos

Pesquerías: muy comercial
| FIRMS (Stock assessments) | FishSource | Sea Around Us

Herramientas

Más información

Ecología Trófica
Alimentos (presas)
Composición de la dieta
consumo de alimento
Despredadores
Ecología
Dinámica de la población
Ciclo de vida
Reproducción
Madurez
Fecundidad
Puesta
Huevos
Desarrollo de los huevos
Larva
Distribución
Territories
Áreas FAO
Ecosistemas
Ocurrencias, apariciones
Introducciones
Fisiología
Consumo del oxígeno
Relacionados con el ser humano
Sellos, monedas, varios
Divulgación
Referencias

Fuentes de Internet

Alien/Invasive Species database | BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (Genoma, nucleótidos) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Árbol de la vida | Wikipedia (Go, búsqueda) | Expediente Zoológico

Estimaciones basadas en modelos

Temperatura preferida (Ref. 115969): 25.3 - 28, mean 27 (based on 146 cells).
Resiliencia (Ref. 69278): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (K=0.25-0.71; tm=3-4; tmax=30).
Prior r = 0.97, 95% CL = 0.64 - 1.45, Based on 4 data-limited stock assessments.
Vulnerabilidad pesquera (Referencia 71543): Moderate vulnerability (43 of 100).
Categoría de precios (Referencia 80766): Medium.
Nutrients :  Calcium = 126 [75, 177] mg/100g; Iron = 4.79 [1.67, 7.92] mg/100g; Protein = 15.9 [14.8, 16.9] %; Omega3 = 0.331 [0.263, 0.400] g/100g; Selenium = 57.8 [48.5, 67.2] μg/100g; VitaminA = 0 μg/100g; Zinc = 1.97 [0.92, 3.02] mg/100g (wet weight); based on nutrient studies.