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Bigeye (Thunnus obesus) - meaning and illustration

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1. Synonyms, etymology, translation, definition, examples and notes

1.1. Subject field:

Fishery resources. (🏛 Hierarchy: Fisheries > Fisheries management > Fishery resources )

1.2. 🇫🇷 French translation of bigeye (thunnus obesus):

Thon obèse

1.3. Definition of bigeye (thunnus obesus) in fisheries:

Image: Definition of bigeye (thunnus obesus)

Bigeye (Thunnus obesus): A widely-distributed species of tuna, ranging between 50o N and 45o S which dwells in deeper water than other tunas and shows extensive vertical movements.

2. Notes on bigeye (thunnus obesus)

Spawning occurs in tropical waters when the environment is favorable. From the spawning area bigeye migrate into temperate waters as they grow. Young fish form schools mostly mixed with other tunas such as yellowfin and skipjack. These schools are often associated with drifting objects, whale shark and sea mounts. This association weakens as they grow larger.

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