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Gymnosarda unicolor (Rüppell, 1836)

Dogtooth tuna
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Gymnosarda unicolor   AquaMaps   Data sources: GBIF OBIS
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Gymnosarda unicolor
Picture by Patzner, R.

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterígios (peces con aletas radiadas) > Perciformes (Perch-likes) > Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Gymnosarda: Greek, gymnos = naked + Greek, sarde = sardine; 1598 (Ref. 45335).  More on author: Rüppell.

Environment: milieu / climate zone / depth range / distribution range Ecología

; marino asociado a arrecife; oceanodromo (Ref. 51243); rango de profundidad 10 - 250 m (Ref. 86942).   Tropical; 20°C - 28°C (Ref. 5313); 31°N - 30°S, 32°E - 130°W (Ref. 168)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Indo-Pacific: Red Sea and East Africa to French Polynesia, north to Japan, south to Australia.

Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 248 cm FL macho / no sexado; (Ref. 40637); common length : 190 cm NG macho / no sexado; (Ref. 9710); peso máximo publicado: 131.0 kg (Ref. 168)

Short description Morfología | Morfometría

Espinas dorsales (total): 13 - 15; Radios blandos dorsales (total): 12-14; Espinas anales 0; Radios blandos anales: 12 - 13; Vértebra: 38. This species is distinguished by the following characters: body elongate and moderately compressed; mouth fairly large, upper jaw reaching to middle of eye; 14 to 31 large, conical teeth on upper jaw, 10 to 24 on lower jaw; 2 patches of villiform teeth on upper surface of tongue; total gill rakers on first gill arch 11-14; D1 XIII-XV, its border almost straight, the second followed by 6-7 finlets, dorsal fins close together; anal fin followed by 6 finlets; pectoral fins with 25-28 rays; interpelvic process large and single; lateral line strongly undulating; body naked posterior to corselet except for lateral line, dorsal-fin base, and caudal keel; caudal peduncle slender, with a well-developed lateral keel between 2 smaller keels on each side. Colour of back and upper sides brilliant blue-black, lower sides and belly silvery; no lines, spots or other markings on body; anterior tip of first dorsal fin dark; other fins greyish (Ref. 9684).

Biología     Glosario (por ej. epibenthic)

An offshore species found mainly around coral reefs. Generally solitary or occur in small schools of six or less. Preys on small schooling fishes such as Decapterus, Caesio, Nasio, Cirrhilabrus, Pterocaesio and squids. Caught mainly by pole-and-line. Marketed canned and frozen (Ref. 9684, 48637). Adults may be ciguatoxic (Ref. 37816).

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

Main reference Upload your references | Referencias | Coordinador : Collette, Bruce B. | Colaboradores

Collette, B.B. and C.E. Nauen, 1983. FAO Species Catalogue. Vol. 2. Scombrids of the world. An annotated and illustrated catalogue of tunas, mackerels, bonitos and related species known to date. Rome: FAO. FAO Fish. Synop. 125(2):137 p. (Ref. 168)

IUCN Red List Status (Ref. 120744)

  Least Concern (LC) ; Date assessed: 05 December 2009

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Reports of ciguatera poisoning (Ref. 168)





Human uses

Pesquerías: escaso valor comercial; pesca deportiva: si
FAO(pesquerías: produccin; publication : search) | FishSource | Sea Around Us

Más información

Nombres comunes
Sinónimos
Metabolismo
Despredadores
Ecotoxicología
Reproducción
Madurez
Puesta
Agregación para la puesta
Fecundidad
Huevos
Egg development
Age/Size
Crecimiento
Length-weight
Length-length
Length-frequencies
Morfometría
Morfología
Larva
Dinámica larvaria
Reclutamiento
Abundancia
Referencias
Acuicultura
Perfil de acuicultura
Razas
Genética
Frecuencias de alelos
heritabilidad
Enfermedades
Procesamiento
Mass conversion
Colaboradores
Imágenes
Stamps, Coins Misc.
Sonidos
Ciguatera
Velocidad
Tipo de natación
Superficie branquial
Otolitos
Cerebros
Visión

Herramientas

Special reports

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Fuentes de Internet

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 20.9 - 28.2, mean 26.5 (based on 938 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00562 - 0.01952), b=3.04 (2.89 - 3.19), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Nivel trófico (Ref. 69278):  4.5   ±0.75 se; Based on food items.
Resiliencia (Ref. 69278):  Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Assuming tmax>10).
Vulnerability (Ref. 59153):  High to very high vulnerability (73 of 100) .
Price category (Ref. 80766):   High.