leptocephalus

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  • noun

Words related to leptocephalus

slender transparent larva of eels and certain fishes

References in periodicals archive ?
In stage I (leptocephalus), the leptocephali body is long, transparent, and the head is small; the teeth appear fang-like.
Ladyfish (Elops machnata) recruitment in the Philippines occurred in May and October (37), but in India, ladyfish (Elops saurus) leptocephali (20-25 mm) recruitment occurred in September and October (38) and then again from October to December for larval/juvenile sizes (30-240 mm TL) (6).
After hatching, eel larvae (called leptocephali) drift on oceanic currents, eventually reaching the continental shelf.
This species' leptocephali become eels within a year of hatching, so if they mistakenly take the route to Europe, they become eels half-way there and die.
They planned to find this patch of ocean by catching newly hatched eel larvae, called leptocephali.
In fact, tarpon larvae (leptocephali) look more like the ancient eels to which ancestral tarpon are actually related.
Spawning of Conger oceanicus and Conger triporiceps (Congridae) in the Sargasso Sea and subsequent distribution of leptocephali. Environ.
leptocephali were collected at 3 of 4 sampling stations, indicating wide distribution throughout the estuary.
The leptocephali of Conger oceanicus are transported from the Sargasso Sea, where spawning occurs, northward along the eastern coast of the United States, and then across the continental shelf in order to enter estuary nursery habitats.
Examples are the phyllosoma larvae of the decapod crustacean Panulirus cygnus, inferred from overlapping annual cohorts in the plankton (Phillips et al., 1979), and leptocephali of anguillid eels with larval durations of 1 to 3 years (Castle, 1984).
Comparini and Rodino (1982) used electrophoretic analysis on American and European eel (Anguilla anguilla) leptocephali to confirm that both spawn in the Sargasso Sea.
However, the larvae (leptocephali) of the many sympatric tropical species are morphologically similar (7), so they are impossible to identify, and their spawning areas are thus virtually unknown.
Early- and mid-metamorphic larvae were much better represented (28% or n-815) in the Indian River Lagoon than in Tampa Bay (0.2% or n=14), and these leptocephali were present from at least December to May (Fig.