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Haemulon plumierii, commonly known as the White Grunt or Roncador-branco, is a species of marine ray-finned fish belonging to the family Haemulidae, the grunts. It is a demersal fish found in the western Atlantic Ocean. The common name 'grunt' comes from the sound they produce by grinding their pharyngeal teeth, amplified by the swim bladder, when caught or threatened.
Características físicas
- Formato do corpo
- compressed
- Coloração
- Silvery-white to yellowish-white body with numerous horizontal yellow-orange stripes along the sides. The head has distinctive blue stripes and spots, particularly around the eyes and snout. Fins are typically yellowish. Juveniles often have a dark lateral stripe.
- Tipo de escama
- ctenoid
- Posição da boca
- terminal
- Características distintivas
- Distinctive blue stripes and spots on the head., Horizontal yellow-orange stripes on the body., Large scales., Thick lips., Reddish coloration inside the mouth.
- Nadadeira dorsal
- Single dorsal fin with 12 spines and 15-17 soft rays. The spinous portion is longer than the soft-rayed portion.
- Nadadeira caudal
- Moderately forked caudal fin.
- Nadadeira peitoral
- Long and pointed pectoral fins.
- Nadadeiras características
- Anal fin with 3 spines and 8-9 soft rays. Pelvic fins are thoracic.
Dicas de identificação
Head Markings
Look for the characteristic blue stripes and spots on the head, especially around the snout and eyes. These are a key distinguishing feature.
Body Stripes
Observe the numerous horizontal yellow-orange stripes running along the silvery-white to yellowish-white body.
Mouth Coloration
When the mouth is open, a reddish interior is often visible, which is typical for many grunt species.
Body Shape
Note the moderately compressed, oval-shaped body, typical of the Haemulidae family.
Habitat
- Tipo de água
- saltwater
- Profundidade
- Typically found in shallow coastal waters from 1 to 30 meters (3 to 100 feet), but can occur down to 75 meters (246 feet).
- Ambiente
- Inhabits a variety of habitats including coral reefs, rocky bottoms, seagrass beds, and mangrove areas. Juveniles are often found in seagrass beds and mangroves for protection. Adults form large schools during the day, often near reefs or wrecks, dispersing at night to feed.
- Distribuição geográfica
- Western Atlantic Ocean, from Bermuda and Florida (USA) south through the Gulf of Mexico and Caribbean Sea to Brazil. Also found in the Bahamas and Antilles.
Informações sobre aquário
- Nível de cuidado: intermediate
- Temperamento: semi-aggressive
- Alimentação: carnivore
- Tamanho mínimo do aquário: 180 gallons (680 liters)
- Temperatura: 72-78°F (22-26°C)
- Nível de pH: 8.1-8.4
- Dureza da água: 8-12 dKH
- Compatibilidade: Can be kept with other large, semi-aggressive fish. Avoid keeping with very small or docile species. Best kept in groups of 3 or more if tank size permits, as they are schooling fish in the wild.
- Requisitos especiais: Requires a large tank with plenty of swimming space and rockwork for shelter. Good water quality and strong filtration are essential. They are sensitive to poor water conditions. Provide a sand or fine gravel substrate as they often root around for food.
Informações no ambiente natural
- Estado de conservação: least concern
- Sazonalidade: Available year-round, but fishing activity may vary seasonally based on local regulations and weather conditions.
- Preço de mercado: Varies by region and size, generally moderate.
- Importância comercial: medium
- Sabor: Mild, flaky white meat.
- Textura: Firm, moist.
- Métodos de preparo: Frying, Baking, Grilling, Steaming, Broiling
- Valor nutricional: Good source of lean protein, low in fat, contains Omega-3 fatty acids.
Fatos principais
Nocturnal Foragersbehavior
White Grunts are primarily nocturnal feeders. During the day, they aggregate in large schools near reefs or other structures, providing safety in numbers. At night, they disperse to forage over sandy bottoms and seagrass beds.
The Grunting Soundinteresting
The common name 'grunt' comes from the distinctive sound these fish make. They produce this sound by grinding their pharyngeal teeth together, and the sound is amplified by their swim bladder, often heard when they are stressed or caught.
Dietary Habitsbehavior
Their diet consists mainly of small benthic invertebrates, including crustaceans (shrimp, crabs), mollusks, and polychaete worms, which they root out of the substrate.
Ecological Roleinteresting
White Grunts play an important ecological role as mesopredators, linking the benthic invertebrate community with larger reef predators. Their schooling behavior also provides a food source for larger piscivorous fish.
Reproductionbehavior
Spawning typically occurs offshore, often in deeper waters, with eggs and larvae being pelagic. Juveniles then migrate to shallow, protected nursery habitats like seagrass beds and mangroves.
Informações de segurança
Seguro- Nível de segurança: safe
- Venenoso: Não
- Comestibilidade: edible
- Observações de manuseio: No specific handling precautions beyond standard fish handling. They may 'grunt' when caught, which is harmless. Their dorsal and anal fin spines can be sharp, so handle with care to avoid punctures.
Espécies similares
French Grunt
Haemulon flavolineatum
French Grunts have more prominent yellow stripes that are often angled upwards posteriorly, and their body is generally more yellowish. The head markings are less distinct blue lines compared to the more pronounced blue stripes and spots of the White Grunt.
Tomtate Grunt
Haemulon aurolineatum
Tomtate Grunts are generally smaller and have a more slender body. They typically have a prominent dark stripe along the lateral line and a less intricate pattern of stripes on the head and body compared to the White Grunt.
Bluestriped Grunt
Haemulon sciurus
Bluestriped Grunts have distinct blue stripes on a yellow body, and their caudal fin is often dusky or blackish. The stripes on the body are typically more continuous and less broken than the White Grunt's.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Perciformes
- Família
- Haemulidae
- Gênero
- Haemulon
- Espécie
- plumierii
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