Como identificar Sergeant Major
Abudefduf saxatilis
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Abrir o appPara identificar Sergeant Major (Abudefduf saxatilis), observe estas características principais.
Características físicas
- Formato do corpo
- compressed
- Coloração
- Adults typically exhibit a silvery-white to yellowish body with five prominent, dark vertical bands. The caudal fin is often dusky or yellowish. During breeding, males can display a more intense bluish-purple coloration, especially on the head and anterior body, with the bands becoming less distinct or fading.
- Tipo de escama
- ctenoid
- Posição da boca
- terminal
- Características distintivas
- Five distinct dark vertical bands on a lighter body., Deeply forked caudal fin., Small, terminal mouth., Relatively large eyes.
- Nadadeira dorsal
- Single dorsal fin with 13 spines and 12-13 soft rays. The spinous and soft-rayed portions are continuous.
- Nadadeira caudal
- Deeply forked caudal fin, often with dusky or yellowish coloration.
- Nadadeira peitoral
- Large, rounded pectoral fins, typically clear or slightly yellowish.
- Nadadeiras características
- Pelvic fins are located directly below the pectoral fins and are generally clear to dusky.
Dicas de identificação
- 1
Vertical Bands
The most defining characteristic is the presence of five prominent, dark vertical bands across its silvery-white to yellowish body. These bands are usually distinct and extend from the dorsal to the ventral side.
- 2
Body Shape
Possesses a deep, compressed body typical of damselfishes, with a relatively small head and a deeply forked tail.
- 3
Size
Adults typically reach a maximum standard length of about 20-25 cm (8-10 inches), though most commonly observed specimens are smaller, around 10-15 cm (4-6 inches).
- 4
Behavior
Often seen in active schools, particularly around reef crests and shallow rocky areas. They are quite bold and can be observed feeding on algae and plankton in open water.
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