Sealife guideThe sea life glossaryOur glossaries

Last updated on 01/19/2026 at 11:41 PM

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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

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)