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Apri l'appDescrizione
Epinephelus morio, commonly known as the Red Grouper, is a medium-sized demersal fish belonging to the family Serranidae. It is characterized by its robust body, large mouth, and distinctive reddish-brown coloration, often mottled with lighter patches. This species is a significant component of commercial and recreational fisheries throughout its range.
Caratteristiche fisiche
- Forma del corpo
- elongated
- Colorazione
- Adults are typically reddish-brown to reddish-orange dorsally, fading to a lighter pinkish or whitish ventrally. They often display irregular, indistinct pale blotches or spots on the body and fins. Juveniles may exhibit more pronounced banding or spotting. The fins are usually dark-edged.
- Tipo di squame
- ctenoid
- Posizione della bocca
- terminal
- Caratteristiche distintive
- Robust, deep body with a large head and mouth., Upper jaw extends well beyond the posterior margin of the eye., Three to five rows of teeth on the mid-side of the lower jaw., Preopercle is finely serrated, with a distinct, rounded lobe at the angle., Caudal fin is typically truncate or slightly emarginate in adults.
- Pinna dorsale
- 11 spines, 16-17 soft rays; the spinous and soft-rayed portions are continuous, with the soft-rayed portion being higher.
- Pinna caudale
- Truncate to slightly emarginate, with rounded corners.
- Pinna pettorale
- 17-19 rays; relatively short, not reaching the anus.
- Pinne distintive
- Pelvic fins are shorter than pectoral fins and originate slightly anterior to the pectoral fin base.
Consigli per l'identificazione
Coloration
Look for the overall reddish-brown to reddish-orange hue, often with indistinct pale blotches. This distinguishes it from many other grouper species that might be darker or have more distinct patterns.
Mouth and Jaw
Observe the large mouth where the upper jaw extends noticeably beyond the eye. The presence of 3-5 rows of teeth on the mid-side of the lower jaw is a key diagnostic feature.
Preopercle
Examine the preopercle (bone before the gill cover); it should be finely serrated with a rounded, distinct lobe at its angle, not sharply pointed.
Caudal Fin
The tail fin is typically straight (truncate) or slightly indented (emarginate), which helps differentiate it from groupers with rounded or deeply forked tails.
Habitat
- Tipo di acqua
- saltwater
- Profondità
- Typically found in depths ranging from 5 to 300 meters (16 to 984 feet), most commonly between 20 and 100 meters.
- Ambiente
- Prefers hard-bottom habitats, including rocky reefs, coral reefs, ledges, wrecks, and areas with shell rubble. Often associated with structural complexity for shelter and ambush predation. Juveniles may inhabit seagrass beds or shallower rocky areas.
- Areale geografico
- Western Atlantic Ocean, from North Carolina (USA) and Bermuda, throughout the Gulf of Mexico and Caribbean Sea, south to Brazil.
Informazioni sull'acquario
- Livello di cura: expert
- Temperamento: aggressive
- Dieta: carnivore
- Dimensione minima della vasca: 500 gallons
- Temperatura: 22-26°C (72-79°F)
- Livello di pH: 8.1-8.4
- Durezza: 8-12 dKH
- Compatibilità: Not suitable for community tanks; best kept alone or with very large, robust tankmates that cannot be swallowed. Highly predatory.
- Requisiti speciali: Requires a very large tank with ample rockwork for hiding and territorial establishment. Excellent filtration is essential due to its large size and carnivorous diet. Prone to stress in inadequate environments.
Informazioni in natura
- Stato di conservazione: vulnerable
- Stagionalità: Spawning typically occurs from January to June, peaking in spring. Fishing seasons are often regulated to protect spawning aggregations.
- Prezzo di mercato: Varies significantly by region and season, often high due to demand for its flesh.
- Importanza commerciale: high
- Sapore: Mild, sweet, and flaky
- Consistenza: Firm, white, and moist
- Metodi di cottura: Grilling, Baking, Frying, Steaming, Broiling
- Valore nutrizionale: Good source of lean protein, Omega-3 fatty acids, and various vitamins and minerals.
Fatti chiave
Protogynous Hermaphroditebehavior
Red Groupers are protogynous hermaphrodites, meaning they are born female and later transition to male. This sex change typically occurs around 7-10 years of age and at a length of about 60-75 cm.
Longevityrecord
This species can live for a considerable time, with individuals recorded to live over 25 years in the wild.
Spawning Aggregationsbehavior
Red Groupers form large, temporary spawning aggregations during their reproductive season, often in specific locations such as offshore banks and ledges. These aggregations are highly vulnerable to fishing pressure.
Dietary Generalistbehavior
As opportunistic predators, Red Groupers have a broad diet, consuming a variety of benthic invertebrates and smaller fishes, playing a crucial role in their ecosystem's food web.
Informazioni di sicurezza
Maneggiare con cura- Livello di sicurezza: caution
- Velenoso: No
- Commestibilità: edible
- Note sul maneggio: While not venomous, Red Groupers possess sharp dorsal fin spines and opercular spines that can inflict painful punctures. Care should be taken when handling to avoid injury. Their powerful jaws and teeth can also cause severe bites if provoked.
Specie simili
Black Grouper
Mycteroperca bonaci
Black Groupers are generally darker, often with brassy spots and blotches, and have a more streamlined body. Their caudal fin is typically emarginate to slightly lunate, and the preopercle is more angular without a distinct rounded lobe.
Gag Grouper
Mycteroperca microlepis
Gag Groupers have a more elongated body and a distinctively straight or slightly convex caudal fin. Their coloration is typically gray to brownish-gray with worm-like markings, lacking the reddish tones of the Red Grouper. The preopercle is also more angular.
Scamp Grouper
Mycteroperca phenax
Scamp Groupers are more slender and typically have a deeply emarginate or lunate caudal fin. Their coloration is usually light brown to gray with small, irregular dark spots and lines, and they lack the reddish overall hue.
Classificazione scientifica
- Regno
- Animalia
- Phylum
- Chordata
- Classe
- Actinopterygii
- Ordine
- Perciformes
- Famiglia
- Serranidae
- Genere
- Epinephelus
- Specie
- morio
Esplora Red Grouper
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