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Kyphosus sectatrix, commonly known as the Bermuda Sea Chub or Enxada, is a species of marine ray-finned fish belonging to the family Kyphosidae, the sea chubs. It is a schooling fish often found in coastal waters, particularly around rocky reefs and seagrass beds. This species is known for its herbivorous diet, primarily feeding on algae.
Características físicas
- Formato do corpo
- compressed
- Coloração
- Typically silvery-grey to brownish-grey, often with faint longitudinal stripes or spots. Some individuals may exhibit a yellowish tinge on the fins or body. Juveniles can be more silvery with distinct dark spots.
- Tipo de escama
- ctenoid
- Posição da boca
- terminal
- Características distintivas
- Small mouth with incisor-like teeth arranged in a single row., Dorsal and anal fins with scaly sheaths., Caudal fin is moderately forked., Body is deep and compressed.
- Nadadeira dorsal
- Single dorsal fin with 10-11 spines and 11-12 soft rays. The spinous and soft-rayed portions are continuous.
- Nadadeira caudal
- Moderately forked caudal fin.
- Nadadeira peitoral
- Relatively short pectoral fins.
- Nadadeiras características
- Anal fin with 3 spines and 10-11 soft rays. Pelvic fins are thoracic.
Dicas de identificação
Body Shape and Coloration
Look for a deep, compressed, silvery-grey to brownish-grey body, often with faint stripes. Juveniles may have more pronounced spots.
Mouth and Teeth
Observe the small mouth with incisor-like teeth, characteristic of its herbivorous diet.
Fin Structure
Note the continuous dorsal fin with 10-11 spines and 11-12 soft rays, and the moderately forked caudal fin.
Behavior
Often seen in schools, grazing on algae on rocky substrates or swimming in mid-water.
Habitat
- Tipo de água
- saltwater
- Profundidade
- Typically found in shallow coastal waters, from the surface down to about 30 meters (100 feet).
- Ambiente
- Prefers rocky reefs, coral reefs, seagrass beds, and sometimes mangrove areas. Often found in schools near the surface or mid-water.
- Distribuição geográfica
- Widespread in the Atlantic Ocean, including the western Atlantic from Massachusetts, USA, to Brazil, and the eastern Atlantic from the Canary Islands to Angola. Also found in the Mediterranean Sea.
Informações sobre aquário
- Nível de cuidado: intermediate
- Temperamento: peaceful
- Alimentação: herbivore
- Tamanho mínimo do aquário: 750L
- Temperatura: 22-26°C
- Nível de pH: 8.1-8.4
- Dureza da água: 8-12 dKH
- Compatibilidade: Generally compatible with other peaceful to semi-aggressive marine fish of similar size. Avoid housing with overly aggressive species or very small, delicate fish.
- Requisitos especiais: Requires a large tank with ample swimming space and plenty of live rock for grazing and shelter. A well-established filtration system is crucial due to their herbivorous diet and waste production. They are schooling fish and do best in groups of 3 or more, if tank size permits.
Informações no ambiente natural
- Estado de conservação: least concern
- Sazonalidade: No specific seasonal restrictions for fishing, but local regulations may apply.
- Preço de mercado: Varies regionally, generally moderate.
- Importância comercial: medium
- Sabor: Mild, slightly sweet flavor.
- Textura: Firm, white, flaky flesh.
- Métodos de preparo: Grilled, Baked, Fried, Steamed
- Valor nutricional: Good source of lean protein and omega-3 fatty acids.
Fatos principais
Algae Grazerbehavior
Kyphosus sectatrix plays a crucial role in reef ecosystems by grazing on algae, helping to prevent algal overgrowth and maintain coral health.
Schooling Behaviorbehavior
These fish are often observed in large schools, which provides protection against predators and facilitates foraging.
Wide Distributioninteresting
The Bermuda Sea Chub has an impressive geographic range, spanning both sides of the Atlantic Ocean, indicating its adaptability to various coastal environments.
Taxonomic Stabilityevolution
The taxonomy of Kyphosus sectatrix has been relatively stable, though some historical confusion existed with other Kyphosus species, particularly K. incisor.
Informações de segurança
Seguro- Nível de segurança: safe
- Venenoso: Não
- Comestibilidade: edible
- Observações de manuseio: No specific handling precautions are required beyond standard fish handling practices to avoid fin pricks. They are not venomous.
Espécies similares
Yellow Chub
Kyphosus incisor
Kyphosus incisor typically has a more yellowish body coloration, especially on the fins, and a slightly more elongated body shape. The number of soft rays in the dorsal and anal fins can also differ slightly, though this requires careful counting.
Blue-striped Chub
Kyphosus cinerascens
Kyphosus cinerascens is generally darker, often with a bluish-grey body and sometimes faint blue stripes. It also tends to have a more rounded head profile and a slightly different fin ray count.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Perciformes
- Família
- Kyphosidae
- Gênero
- Kyphosus
- Espécie
- Kyphosus sectatrix
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