Sealife guideThe sea life glossaryOur glossaries
Last updated on 08/24/2026 at 10:48 PM
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Description
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Oceania
Définition
A geographic region comprising the islands of the Pacific ocean, including Polynesia, Micronesia and Melanesia.
Anglais
Océanie
Français
ocellus
Définition
A circular, eye-like marking on an animal's body, often used to deter predators or attract mates.
Anglais
ocelle
Français
ontogenetic metamorphosis
Définition
A developmental transformation in an organism's form, structure, or coloration occurring during its life cycle, typically between juvenile and adult stages.
Anglais
métamorphose ontogénétique
Français
ontogeny
Définition
The complete sequence of developmental stages of an individual organism, from fertilization to adulthood.
Anglais
ontogenèse
Français
osculum
Définition
A large opening in a sponge through which water exits after circulating through its body.
Anglais
oscule
Français
ovigerous
Définition
Carrying and protecting eggs until they hatch.
Anglais
ovigère
Français
oviparous
Définition
Laying eggs that develop and hatch outside the parent's body.
Anglais
ovipare
Français
ovoviparous
Définition
Producing eggs that develop and hatch inside the parent's body, resulting in live birth.
Anglais
ovovipare
Français
ovoviviparous
Définition
Producing eggs that hatch inside the parent's body, so young are born live.
Anglais
ovovivipare
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Labre échiquier
(Halichoeres hortulanus)
(Halichoeres hortulanus)
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