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The spawning cycle of the yellowtail damselfish starts at sunrise and lasts approximately 1 hour after male damselfish have prepared nests on dead coral surfaces. Their eggs are demersal, adhering to the substrate where males guard and aerate them. [4] Hatching occurs the morning of the 6th day of incubation.
Damselfish of all sizes feed primarily on caridea and copepods. Males have relatively smaller stomach sizes during spawning season compared to females due to the allocation of resources for courtship and the guarding of nests .
Unlike other fish, black and white damselfish do not have a spawning season. Mating occurs daily, with females mating with multiple males in a season. A new batch of eggs can be produced every two days with up to two thousand eggs per batch and males court females constantly.
The eggs also get aerated and tended for by the male. Eggs that failed to hatch are removed out of the spawning site. [4] The reproduction process usually lasts for about 20 minutes. Females can lay up to 20,000 eggs each. [4] On average, eggs take about 3 days to a week to hatch. Males sometimes spawn with more than 1 female. [4]
Chromis chromis, the damselfish or Mediterranean chromis, is a small species of ray-finned fish of the family Pomacentridae from the Eastern Atlantic and Mediterranean. Description [ edit ]
Pomacentridae is a family of ray-finned fish, comprising the damselfishes and clownfishes.This family were formerly placed in the order Perciformes but are now regarded as being incertae sedis in the subseries Ovalentaria in the clade Percomorpha. [2]
The sergeant major or píntano (Abudefduf saxatilis) is a species of damselfish. It grows to a maximum length of about 22.9 centimetres (9.016 in). It grows to a maximum length of about 22.9 centimetres (9.016 in).
Chromis viridis (green chromis) is a species of damselfish.Individuals tend to be iridescent apple-green and light blue, and reach a maximal length of 10 cm. [1]. It is sometimes called the "blue-green chromis", but that may also refer to Chromis caerulea, the blue puller, a close relative that is sometimes considered conspecific.