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Apogon imberbis, commonly known as the Peixe-Rei or Mediterranean Cardinalfish, is a small, nocturnal marine fish belonging to the family Apogonidae. It is characterized by its striking red coloration and large eyes, adaptations for its crepuscular and nocturnal lifestyle. This species is known for its unique reproductive strategy of oral incubation, where the male carries the eggs in its mouth until hatching.
Características físicas
- Formato do corpo
- compressed
- Coloração
- The body is predominantly bright red to reddish-orange, often with several faint, darker longitudinal lines or spots, particularly on the flanks. The fins are typically reddish, sometimes with darker margins. The eyes are notably large and dark.
- Tipo de escama
- ctenoid
- Posição da boca
- superior
- Características distintivas
- Large, prominent eyes adapted for low light conditions., Two distinct dorsal fins., Bright red to reddish-orange body coloration., Absence of a lateral line on the caudal fin.
- Nadadeira dorsal
- Two dorsal fins; the first with 6-7 spines, the second with 1 spine and 9-10 soft rays. The first dorsal fin is typically higher than the second.
- Nadadeira caudal
- Caudal fin is slightly forked.
- Nadadeira peitoral
- Pectoral fins are relatively large and rounded, with 13-15 rays.
- Nadadeiras características
- Pelvic fins are thoracic, located beneath the pectoral fins, with 1 spine and 5 soft rays.
Dicas de identificação
Coloration
Its vibrant red color is a primary identifier, especially when observed in its natural habitat or in an aquarium.
Eye Size
The disproportionately large eyes are a key characteristic, indicative of its nocturnal habits.
Dorsal Fins
The presence of two clearly separated dorsal fins, with the first being spiny and taller, helps distinguish it from other red-colored fish.
Habitat Preference
Its tendency to hide in dark crevices and caves during daylight hours is a behavioral clue for identification.
Habitat
- Tipo de água
- saltwater
- Profundidade
- Typically found at depths ranging from 5 to 200 meters, though most commonly observed between 10 and 50 meters.
- Ambiente
- Prefers rocky bottoms, caves, crevices, and seagrass beds. It is a demersal species, often found sheltering in dark recesses during the day and emerging to feed at night.
- Distribuição geográfica
- Eastern Atlantic Ocean, including the Mediterranean Sea, Black Sea, and along the coasts of Portugal, Spain, and North Africa. Also found in the Canary Islands, Madeira, and the Azores.
Informações sobre aquário
- Nível de cuidado: intermediate
- Temperamento: peaceful
- Alimentação: carnivore
- Tamanho mínimo do aquário: 100 liters
- Temperatura: 18-24°C
- Nível de pH: 8.1-8.4
- Dureza da água: 8-12 dKH
- Compatibilidade: Generally compatible with other peaceful marine species of similar size. Avoid housing with aggressive or very large predators.
- Requisitos especiais: Requires ample hiding places, such as rock crevices and caves, to feel secure. Prefers subdued lighting, especially during the day. A varied diet of small meaty foods is essential.
Informações no ambiente natural
- Estado de conservação: least concern
- Sazonalidade: No specific seasonal patterns for availability; present year-round in its habitat.
- Preço de mercado: Low
- Importância comercial: low
- Sabor: Mild, delicate
- Textura: Soft, flaky
- Métodos de preparo: Fried, Grilled, Baked
- Valor nutricional: Good source of protein and omega-3 fatty acids.
Fatos principais
Oral Incubationbehavior
The male Peixe-Rei (Apogon imberbis) exhibits a remarkable reproductive strategy where it orally incubates the eggs, holding them in its mouth until they hatch. This parental care protects the eggs from predators.
Nocturnal Hunterbehavior
Apogon imberbis is primarily nocturnal, emerging from its daytime shelters in caves and crevices to hunt small invertebrates and fish during the night. Its large eyes are an adaptation to low light conditions.
Mediterranean Endemicinteresting
While its range extends to parts of the Eastern Atlantic, the Peixe-Rei is a characteristic and common species within the Mediterranean Sea, often serving as an indicator of healthy rocky reef ecosystems.
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 injury to the fish or accidental fin pricks. It is not venomous.
Espécies similares
Ruby Cardinalfish
Apogon coccineus
Apogon coccineus is generally smaller, has a more uniform red coloration without distinct markings, and its geographic range is primarily Indo-Pacific, though some overlap may occur in the Red Sea.
Flame Cardinalfish
Apogon maculatus
Apogon maculatus, found in the Western Atlantic, has a prominent black spot on its caudal peduncle and often a dark bar below the eye, features absent in Apogon imberbis.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Kurtiformes
- Família
- Apogonidae
- Gênero
- Apogon
- Espécie
- Apogon imberbis
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