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Otvori aplikacijuOpis
Thalassoma pavo, commonly known as the Knez or Peacock Wrasse, is a vibrant and active wrasse species found in the Mediterranean Sea and parts of the Eastern Atlantic. It is characterized by its striking coloration and distinct sexual dimorphism. This species plays an important ecological role in its habitat as a predator of small invertebrates and a cleaner fish in its juvenile stages. It is a protogynous hermaphrodite, meaning individuals typically mature as females and can later change sex to become males.
Fizičke karakteristike
- Oblik tijela
- elongated
- Obojenost
- Highly variable and sexually dimorphic. Initial phase (females and juvenile males) typically green to brownish-green with five to seven vertical blue bands on the flanks, often with a reddish-orange spot on the operculum. Terminal phase males are much more brightly colored, with a predominantly blue-green body, intricate red and blue patterns on the head, and often a prominent red or orange stripe along the lateral line. The caudal fin can be edged in blue or red.
- Vrsta ljusaka
- cycloid
- Položaj usta
- terminal
- Posebna obilježja
- Prominent sexual dimorphism in coloration and pattern., Small, pointed head with a terminal mouth., Continuous dorsal fin., Often displays a dark spot on the operculum (gill cover) in initial phase individuals.
- Leđna peraja
- Continuous, with 8 spines and 12-13 soft rays.
- Repna peraja
- Truncate to slightly emarginate, often with elongated outer rays in large males.
- Prsna peraja
- Large and fan-like, used for propulsion.
- Posebne peraje
- Pelvic fins are relatively small and located thoracically.
Savjeti za identifikaciju
Coloration (Initial Phase)
Look for a greenish-brown body with 5-7 faint to prominent vertical blue bands on the sides. A reddish-orange spot on the operculum is often present.
Coloration (Terminal Male)
Observe the vibrant blue-green body with intricate red and blue patterns on the head, and a distinct red or orange lateral stripe. The caudal fin may have blue or red margins.
Body Shape
Elongated and laterally compressed body, typical of wrasses.
Fin Structure
A single, continuous dorsal fin. Pectoral fins are large and used for sculling.
Behavior
Active swimmers, often seen darting among rocks and seagrass. Juveniles may exhibit cleaning behavior.
Stanište
- Vrsta vode
- saltwater
- Dubina
- Typically found from the surface down to 50 meters (164 feet), occasionally deeper.
- Okoliš
- Prefers rocky reefs, seagrass beds (Posidonia oceanica), and areas with mixed sand and rock. Often found in shallow, sunlit waters, especially around coastal areas and harbors. Juveniles frequently inhabit tide pools and very shallow rocky areas.
- Geografski raspon
- Eastern Atlantic Ocean, from Portugal south to Senegal, including the Canary Islands, Madeira, and the Azores. Widely distributed throughout the Mediterranean Sea, including the Adriatic Sea, Aegean Sea, and Black Sea.
Informacije o akvariju
- Razina njege: intermediate
- Temperament: semi-aggressive
- Prehrana: carnivore
- Minimalna veličina akvarija: 200 liters (50 gallons)
- Temperatura: 18-24°C (64-75°F)
- pH razina: 8.1-8.4
- Tvrdoća: 8-12 dKH
- Kompatibilnost: Can be kept with other robust, semi-aggressive fish. Avoid keeping with very small or docile species. Only one male per tank unless the tank is very large with multiple females.
- Posebni zahtjevi: Requires plenty of live rock for hiding and foraging. A sand bed is beneficial as they may bury themselves at night or when stressed. Good water quality and strong filtration are essential.
Informacije iz divljine
- Status zaštite: least concern
- Sezonalnost: Active year-round, but spawning typically occurs during warmer months (spring to summer).
- Tržišna cijena: Low
- Komercijalna važnost: low
- Okus: Mild, slightly sweet
- Tekstura: Firm, flaky
- Načini pripreme: Grilled, Baked, Fried
- Hranjiva vrijednost: Good source of lean protein and omega-3 fatty acids.
Ključne činjenice
Sex Change Artistbehavior
Thalassoma pavo is a protogynous hermaphrodite, meaning individuals are born female and can later change sex to become male. This is often triggered by social cues, such as the absence of a dominant male.
Cleaner Fish Juvenilesbehavior
Juvenile Knez wrasses often act as cleaner fish, removing parasites from larger fish species. This symbiotic relationship is crucial for reef health.
Sleeping Habitsbehavior
At night or when stressed, Knez wrasses often bury themselves in the sand to hide from predators, emerging again when conditions are safe.
Vibrant Displayamazing
The striking and complex coloration of terminal phase males is used to attract females and defend territories during breeding season.
Sigurnosne informacije
Sigurno- Razina sigurnosti: safe
- Otrovno: Ne
- Jestivost: edible
- Napomene o rukovanju: No specific handling precautions are required beyond standard fish handling practices to avoid injury to the fish or yourself from fin spines. They are not venomous.
Slične vrste
Mediterranean Rainbow Wrasse
Coris julis
While also colorful and found in the same habitat, Coris julis has a more elongated body, a more pointed snout, and a distinct black spot at the base of the pectoral fin. Terminal males of Coris julis have a prominent orange-red zigzag stripe along the lateral line, which differs from the more uniform stripe of Thalassoma pavo.
Five-spotted Wrasse
Symphodus roissali
Symphodus roissali is generally smaller and has a more robust body shape. Its coloration is typically more mottled brown or green, and it lacks the distinct vertical banding and vibrant blue/red patterns seen in Thalassoma pavo. It also has a characteristic dark spot on the caudal peduncle and often on the dorsal fin.
Znanstvena klasifikacija
- Carstvo
- Animalia
- Koljeno
- Chordata
- Razred
- Actinopterygii
- Red
- Perciformes
- Porodica
- Labridae
- Rod
- Thalassoma
- Vrsta
- Thalassoma pavo
Istraži Knez
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