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Lutjanus campechanus, commonly known as the Red Snapper, is a highly prized marine fish belonging to the family Lutjanidae. It is characterized by its vibrant red coloration, robust body, and distinctive fin structure. This species is a significant component of commercial and recreational fisheries throughout its range.
Características físicas
- Formato do corpo
- compressed
- Coloração
- Adults are typically bright red or rosy pink dorsally, fading to a lighter pink or silvery-red ventrally. Fins are reddish. Juveniles may have a dark spot on the upper flank below the anterior soft dorsal rays, which fades with age.
- Tipo de escama
- ctenoid
- Posição da boca
- terminal
- Características distintivas
- Large, prominent eyes, Pointed snout, Large mouth with canine-like teeth, Absence of a deep groove on the preopercle (gill cover), Relatively short pectoral fins, not reaching the anus
- Nadadeira dorsal
- Single dorsal fin, deeply notched, with 10 spines and 14 soft rays.
- Nadadeira caudal
- Caudal fin is truncate to slightly emarginate.
- Nadadeira peitoral
- Long and pointed, typically 17-18 rays.
- Nadadeiras características
- Anal fin has 3 spines and 8-9 soft rays. Pelvic fins are relatively short.
Dicas de identificação
Coloration
Look for the characteristic bright red to rosy pink body color. Juveniles may have a faint dark spot below the dorsal fin.
Fin Rays
Count the dorsal fin spines (10) and soft rays (14). The anal fin has 3 spines and 8-9 soft rays.
Body Shape
Observe the robust, compressed body with a relatively high back. The snout is pointed, and the mouth is large.
Preopercle Groove
A key distinguishing feature from some similar species is the absence of a deep groove on the preopercle (the bone forming the posterior and ventral margin of the cheek).
Habitat
- Tipo de água
- saltwater
- Profundidade
- Typically found at depths ranging from 10 to 190 meters (33 to 623 feet), though juveniles can be found in shallower waters.
- Ambiente
- Associated with hard bottom structures such as natural reefs, artificial reefs, rocky outcrops, and wrecks. Juveniles often inhabit softer bottoms with shell hash or low-relief structures.
- Distribuição geográfica
- Western Atlantic Ocean, from Massachusetts (rarely) south to Florida, throughout the Gulf of Mexico, and along the coast of Central and South America to northern Brazil. Most abundant in the Gulf of Mexico.
Informações sobre aquário
- Nível de cuidado: expert
- Temperamento: aggressive
- Alimentação: carnivore
- Tamanho mínimo do aquário: Not suitable for typical home aquariums due to large size and specific environmental needs. Requires very large public aquarium exhibits.
- Temperatura: 20-26°C (68-79°F)
- Nível de pH: 8.1-8.4
- Dureza da água: 8-12 dKH
- Compatibilidade: Generally solitary or in small groups with similarly large, robust species in very large exhibits. Highly predatory.
- Requisitos especiais: Requires immense tank volume, powerful filtration, and a diet of large meaty foods. Not recommended for private aquarists.
Informações no ambiente natural
- Estado de conservação: vulnerable
- Sazonalidade: Spawning typically occurs from late spring through summer (May-September) in the northern Gulf of Mexico, with variations across its range. Fishing seasons are often regulated to protect spawning aggregations.
- Preço de mercado: High, varies seasonally and by region
- Importância comercial: high
- Sabor: Mild, sweet, nutty
- Textura: Firm, flaky, moist
- Métodos de preparo: baked, grilled, fried, steamed, sautéed
- Valor nutricional: Excellent source of lean protein, Omega-3 fatty acids, selenium, and vitamin D.
Fatos principais
Long Lifespaninteresting
Red Snapper are known to be long-lived, with individuals documented to live over 50 years. This makes them particularly vulnerable to overfishing.
Sex Changebehavior
While not a true protogynous hermaphrodite (female to male sex change) like some other reef fish, there is some evidence of protandry (male to female sex change) in Red Snapper, though it is not a dominant reproductive strategy.
Habitat Generalistsbehavior
Despite their preference for hard bottom structures, Red Snapper are quite adaptable and will utilize a wide range of habitats, including artificial reefs, oil rigs, and even relatively flat, soft bottoms if food is abundant.
Top Predatorbehavior
As adults, Red Snapper are apex predators in their reef ecosystems, playing a crucial role in controlling populations of smaller fish and invertebrates.
Iconic Fisheryinteresting
The Red Snapper fishery in the Gulf of Mexico is one of the most economically and culturally significant fisheries in the United States, leading to complex management challenges.
Informações de segurança
Manusear com cuidado- Nível de segurança: caution
- Venenoso: Não
- Comestibilidade: edible
- Observações de manuseio: Red Snapper have sharp dorsal and anal fin spines, as well as sharp gill plates (operculum). Handle with care to avoid punctures. They are not venomous, but wounds can become infected. Use gloves and a fish gripper if possible.
Espécies similares
Vermilion Snapper
Rhomboplites aurorubens
Vermilion Snapper are generally smaller, more slender, and have a more pointed snout. They possess a series of yellow lines and spots on their sides, and their caudal fin is deeply forked, unlike the truncate to slightly emarginate tail of the Red Snapper. They also have more dorsal and anal soft rays.
Lane Snapper
Lutjanus synagris
Lane Snapper are typically smaller, have distinct yellow horizontal stripes on their sides, and a prominent black spot below the dorsal fin that persists into adulthood. Their overall coloration is more silvery-pink with yellow, rather than the uniform red of L. campechanus.
Mutton Snapper
Lutjanus analis
Mutton Snapper are generally larger, have a more pointed head, and a distinctive black spot below the anterior soft dorsal rays, often with a red halo. Their coloration is typically olive-green to reddish-brown dorsally, fading to silvery-white ventrally, with blue lines on the head and body, not the uniform red of the Red Snapper.
Cubera Snapper
Lutjanus cyanopterus
Cubera Snapper are much larger, often reaching over 100 lbs, and have a more robust, less compressed body. Their coloration is typically dark gray to reddish-brown, lacking the vibrant red of L. campechanus. They also possess extremely large canine teeth.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Perciformes
- Família
- Lutjanidae
- Gênero
- Lutjanus
- Espécie
- Lutjanus campechanus
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