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Vomer setapinnis, commonly known as the Atlantic Moonfish, is a species of jack in the family Carangidae. It is characterized by its extremely compressed, deep body and a distinctive, steeply rising head profile. This pelagic fish is found in tropical and subtropical waters of the Atlantic Ocean, often forming schools.
Körperliche Merkmale
- Körperform
- compressed
- Färbung
- Silvery, often with a metallic sheen. Juveniles may have faint vertical bars that fade with age. Fins are typically translucent or dusky.
- Schuppentyp
- cycloid
- Maulstellung
- terminal
- Besondere Merkmale
- Extremely deep and laterally compressed body, almost disc-like., Steeply rising, concave head profile, giving it a 'horsehead' appearance., Long, filamentous anterior rays of the dorsal and anal fins in juveniles, which shorten with age., Small, protractile mouth.
- Rückenflosse
- Two dorsal fins; the first with 8 spines (the first 4-5 are very short and embedded in adults), followed by 1 spine and 21-24 soft rays in the second dorsal fin. Juveniles have elongated anterior rays.
- Schwanzflosse
- Deeply forked caudal fin.
- Brustflosse
- Long and falcate (sickle-shaped).
- Auffällige Flossen
- Anal fin with 2 detached spines followed by 1 spine and 18-20 soft rays. The anterior rays of the anal fin are also elongated in juveniles.
Bestimmungstipps
Body Shape
Look for the extremely deep, laterally compressed, and almost disc-like body. This is its most defining characteristic.
Head Profile
Observe the steeply rising, concave head profile, which gives it a unique 'horsehead' or 'lookdown' appearance.
Fin Elongation (Juveniles)
In juveniles, note the very long, filamentous anterior rays of the dorsal and anal fins. These shorten significantly in adults.
Coloration
The overall silvery coloration with a metallic sheen is typical. Juveniles might show faint vertical bars.
Lebensraum
- Wassertyp
- saltwater
- Tiefe
- Typically found in shallow coastal waters, from the surface down to about 50 meters (165 feet), but can occur deeper.
- Umgebung
- Pelagic, often found over sandy or muddy bottoms, near reefs, or in estuaries. Juveniles frequently inhabit estuaries and shallow coastal areas.
- Geografische Verbreitung
- Western Atlantic Ocean, from Nova Scotia, Canada, south to Uruguay, including the Gulf of Mexico and the Caribbean Sea. Also found in the eastern Atlantic off the coast of West Africa.
Aquarieninformationen
- Pflegeaufwand: advanced
- Temperament: semi-aggressive
- Ernährung: carnivore
- Mindestbeckengröße: 200 gallons
- Temperatur: 72-78°F (22-26°C)
- pH-Wert: 8.1-8.4
- Härte: 8-12 dKH
- Verträglichkeit: Best kept with other large, semi-aggressive fish. Avoid very small or timid tank mates. Can be kept in schools if the tank is sufficiently large.
- Besondere Anforderungen: Requires a very large tank with ample swimming space due to its active nature and potential size. Excellent water quality and strong filtration are essential. May be prone to stress in smaller, crowded environments. Live or frozen meaty foods are preferred.
Informationen zum Wildbestand
- Erhaltungszustand: least concern
- Saisonalität: Present year-round in tropical and subtropical habitats, with potential seasonal movements related to spawning or food availability.
- Marktpreis: Low to moderate, primarily for local consumption or bait.
- Kommerzielle Bedeutung: low
- Geschmack: Mild, slightly sweet
- Textur: Flaky, white meat
- Zubereitungsarten: Frying, Baking, Grilling, Steaming
- Nährwert: Good source of lean protein and omega-3 fatty acids.
Wichtige Fakten
Unique Head Shapeamazing
The Atlantic Moonfish's steeply rising, concave head profile is one of the most distinctive features among marine fish, giving it its common 'lookdown' or 'horsehead' names.
Juvenile Filamentsbehavior
Young Atlantic Moonfish possess remarkably long, filamentous extensions on their dorsal and anal fins, which gradually shorten and disappear as they mature into adults.
Schooling Behaviorbehavior
These fish are often found in schools, particularly as juveniles, providing a measure of safety against predators in open water.
Dietary Habitsbehavior
Vomer setapinnis primarily feeds on small crustaceans, worms, and other benthic invertebrates, which it sifts from the substrate or picks from the water column.
Sicherheitsinformationen
Sicher- Sicherheitsstufe: safe
- Giftig: Nein
- Essbarkeit: edible
- Hinweise zum Umgang: No specific handling precautions are required beyond standard fish handling practices to avoid fin pricks. The fins are not venomous.
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African Moonfish
Selene dorsalis
While also having a deep, compressed body, Selene dorsalis typically has a less steeply concave head profile and often a more pronounced dark spot on the lateral line. The elongated fin rays in juveniles of Selene dorsalis are generally longer and more pronounced than in Vomer setapinnis.
Lookdown
Selene vomer
Selene vomer is very similar in appearance and often confused with Vomer setapinnis. Key differences are subtle: Selene vomer generally has a more angular, less smoothly curved head profile, and its body depth tends to be slightly greater relative to its length compared to Vomer setapinnis. The elongated fin rays in juvenile Selene vomer are typically much longer and more streamer-like.
Permit
Trachinotus falcatus
Permit also have a deep, compressed body but lack the extremely steep and concave head profile of Vomer setapinnis. Their dorsal and anal fins are typically more uniformly shaped, without the pronounced elongation of anterior rays seen in juvenile Vomer setapinnis.
Wissenschaftliche Klassifikation
- Reich
- Animalia
- Stamm
- Chordata
- Klasse
- Actinopterygii
- Ordnung
- Carangiformes
- Familie
- Carangidae
- Gattung
- Vomer
- Art
- Vomer setapinnis
Atlantic Moonfish entdecken
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