Abudefduf saxatilis. This small, flat, oval shaped reef fish has five distinct black bars on its sides. While in sandy areas and over reefs, it is in its. Latin name, Abudefduf saxatilis. Common name, Sergeant major. Family, Pomacentridae – Abudefduf. Origin, West Indian Ocean, The Mexican Golf, West. Biology. Juveniles are common in tide pools while adults found over shallow reef tops. Adults frequently form large feeding aggregations of up to several.
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Wonderful Latin Names, Part II: Abudefduf saxatilis | Scientist Sees Squirrel
They can be aggressive towards other kinds of fish, but mainly when these get too close to sxatilis hiding place. Abudefduf saxatilis is found in the Atlantic Ocean.
It is replaced in the Indo-Pacific region by the closely related Abudefduf vaigiensis G. Courtship rituals include males actively chasing the female during the morning hours. Wikimedia Commons has media related to Sergeant major. Image courtesy Virginia Institute of Marine Science Predators Predators of the sergeant major include cobia Rachycentron canadumbluehead Thalassoma bifasciatumNassau grouper Epinephelus striatusgreat barracuda Sphyraena barracudabar jack Caranx ruberand cero mackerel Scomberomorus regalis among many other large carnivorous fishes.
Taxonomy The sergeant major was first referred to as Abudefduf saxatilis by Carl Linnaeus Habitat This reef-associated fish is commonly observed forming large feeding aggregations of up to a few hundred individuals. Feeding aggregations remain low in the water column prior to dusk, with fish scattering with the approach of night, seeking the cover of caves and crevices within the reef. This coloration is also often observed in the males during spawning and nest guarding activities.
The cave hiders take on the dark color phase see Color section for more details on the color phases. In other projects Wikimedia Commons Wikispecies. Some in this group are often seen hiding in stony corals e. As aquarium fish Minimum volume l gal Hardiness Hardy Suitable for aquarium Suitable with care Reef safe Reef safe with caution Aggressiveness Aggressive towards other species. This guarding of the eggs, characteristic of the family Pomacentridae, is unusual since most reef fishes have a planktonic stage.
Oviparous, distinct pairing during breeding Ref. Spurlingia darwini Scientist Sees Squirrel Pingback: Sergeant major male guarding eggs.
Sergeant major (Abudefduf saxatilis)
A faint sixth stripe might be present on the caudal peduncle. No sources indicate that this species will harm corals or other invertebrates. Summary page Point data Common names Photos. The adult male becomes dark bluish, the black bars thus less conspicuous on the body Ref.
They also grow relatively large in comparison to the other fish in this family.
Attracted to divers who feed fish. Distinctive Features The sergeant major is a small, rounded fish with the abuxefduf compressed laterally.
Tropical Fish Hobbyist Magazine.
However, the vertical bars of the sergeant major are more pronounced and it has a slimmer body. Adults frequently form large feeding aggregations of up to several hundred individuals.
As he guards the eggs the male becomes bluish in colour, guarding them for about a week.
A larger tank might be needed for fully-grown specimens. Acropora, but some species may look for shelter in anemones.
Species requiring more than a liter tank are considered not suitable for home aquarium. Upon fertilization, the eggs turn greenish at 96 hours and contain a deep red yolk. Entered by Froese, Rainer.
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Geographical Distribution Abudfeduf distribution map for the sergeant major The range of the sergeant major is worldwide in warm waters. This page was last edited on 4 Octoberat The offal feeding may be regarded as a simple behavioral shift from plankton feeding to drifting offal picking. Image courtesy NOAA There are five prominent vertical black bars on the body, becoming narrow toward the belly.