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The Porkfish (Anisotremus virginicus) is a species of grunt fish belonging to the family Haemulidae. It is a distinctive and moderately sized fish known for its striking coloration and characteristic 'grunting' sound produced by grinding its pharyngeal teeth. This species is popular in both the aquarium trade and as a food fish in certain regions. It exhibits diurnal activity, foraging during the day and seeking shelter in crevices or under ledges at night.
Fyysiset ominaisuudet
- Ruumiinmuoto
- compressed
- Väritys
- Adults are silvery-white to yellowish-white with two prominent black vertical bars. The first bar runs from the nape through the eye to the operculum, and the second from the anterior dorsal fin spines to the pectoral fin base. The fins are typically yellow, especially the caudal and pectoral fins. Juveniles are more intensely yellow with the black bars, and often have a black spot at the base of the caudal fin, which fades with age.
- Suomutyyppi
- ctenoid
- Suun asento
- terminal
- Erottuvat piirteet
- Two prominent black vertical bars on a silvery-yellow body., Bright yellow fins, particularly caudal and pectoral., Thick, fleshy lips., Produces a 'grunting' sound.
- Selkäevä
- Single dorsal fin with 12-13 spines and 16-18 soft rays, deeply notched.
- Pyrstöevä
- Moderately forked caudal fin, bright yellow.
- Rintaevä
- Long and pointed, bright yellow.
- Erottuvat evät
- Anal fin with 3 spines and 9-10 soft rays; pelvic fins with 1 spine and 5 soft rays.
Tunnistusvinkit
Coloration and Bars
Look for the distinctive silvery-yellow body with two prominent black vertical bars. The first bar passes through the eye, and the second is behind the operculum.
Fin Color
The bright yellow coloration of the caudal and pectoral fins is a key identifier, especially in adults.
Body Shape
Its compressed, oval-shaped body is typical of grunt species.
Sound Production
If observed in its natural habitat or handled, listen for the characteristic 'grunting' sound it produces.
Elinympäristö
- Vesityyppi
- saltwater
- Syvyys
- Typically found in shallow coastal waters from 1 to 60 meters (3 to 200 feet), but most commonly in less than 30 meters.
- Ympäristö
- Associated with coral reefs, rocky bottoms, seagrass beds, and mangrove areas. Juveniles often inhabit seagrass beds for protection.
- Maantieteellinen levinneisyys
- Western Atlantic Ocean, from Florida (USA) and Bermuda, throughout the Caribbean Sea, and along the coast of South America to Brazil.
Akvaariotiedot
- Hoitotaso: intermediate
- Luonne: semi-aggressive
- Ruokavalio: omnivore
- Akvaarion vähimmäiskoko: 120 gallons (450 liters)
- Lämpötila: 72-78°F (22-26°C)
- pH-taso: 8.1-8.4
- Kovuus: 8-12 dKH
- Yhteensopivuus: Can be kept with other semi-aggressive to aggressive fish of similar size. Avoid keeping with very small or timid species. May nip at invertebrates.
- Erityisvaatimukset: Requires a well-established aquarium with plenty of live rock for hiding and grazing. A varied diet including meaty foods and vegetable matter is essential. Can be prone to ich if stressed.
Tietoa luonnonvaraisista
- Suojelustatus: least concern
- Kausivaihtelu: Spawns primarily during warmer months, typically spring and summer, but can be found year-round within its range.
- Markkinahinta: Varies by region and size, generally moderate.
- Kaupallinen merkitys: medium
- Maku: Mild, slightly sweet
- Rakenne: Flaky, firm white flesh
- Valmistustavat: Baked, Fried, Grilled, Steamed
- Ravintoarvo: Good source of lean protein, low in fat.
Avaintiedot
Nocturnal Shelterbehavior
Porkfish are diurnal, actively feeding during the day. At night, they seek shelter in reef crevices or under ledges to rest.
Grunting Soundinteresting
They are known for producing a characteristic 'grunting' sound by grinding their pharyngeal teeth, which is amplified by their swim bladder. This sound is often heard when they are stressed or caught.
Cleaner Fish Behaviorbehavior
Juvenile Porkfish are known to act as cleaner fish, removing parasites from larger fish species, a behavior that diminishes as they mature.
Dietary Versatilitybehavior
Their omnivorous diet includes a wide range of benthic invertebrates such as worms, crustaceans, and mollusks, as well as some plant material.
Turvallisuustiedot
Turvallinen- Turvallisuustaso: safe
- Myrkyllinen: Ei
- Syötävyys: edible
- Käsittelyohjeet: Generally safe to handle, but like all fish, care should be taken to avoid fin spines. They can produce a 'grunting' sound when stressed or handled, which is harmless.
Samankaltaiset lajit
French Grunt
Haemulon flavolineatum
French Grunts have horizontal yellow stripes on a silvery body, lacking the distinct vertical black bars of the Porkfish. Their fins are typically less intensely yellow.
White Grunt
Haemulon plumierii
White Grunts have a silvery body with faint blue or yellow horizontal lines and often a series of dark spots. They lack the prominent black vertical bars and bright yellow fins of the Porkfish.
Black Margate
Anisotremus surinamensis
Black Margates are generally darker, often grey to blackish, with a single broad dark bar or blotch on the upper body, and lack the bright yellow fins and distinct double black bars of the Porkfish.
Tieteellinen luokitus
- Kunta
- Animalia
- Pääjakso
- Chordata
- Luokka
- Actinopterygii
- Lahko
- Perciformes
- Heimo
- Haemulidae
- Suku
- Anisotremus
- Laji
- Anisotremus virginicus
Tutustu lajiin Porkfish
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