leptocephalus


Also found in: Dictionary, Thesaurus, Wikipedia.

leptocephalus

 [lep″to-sef´ah-lus]
a person with an abnormally tall, narrow skull.

leptocephalus

/lep·to·ceph·a·lus/ (lep″to-sef´ah-lus) a person with an abnormally tall, narrow skull.

leptocephalus

Medspeak
(1) A rarely used term for a person with a narrow cranium;
(2) A rarely used term for a person with an abnormally small skull (rarely used and etymologically incorrect); e.g., microcephalus.

Zoology
The flat and transparent larva of eels, and other members of the superorder Elopomorpha.

leptocephalus

the transparent oceanic larva of eels of the genus Anguilla, that crosses the Atlantic and becomes adult in freshwater on the European continent.
References in periodicals archive ?
Nocomis leptocephalus leptocephalus (= Ceratichthys biguttatus)--UF 173453 (no BU number) (13); USNM 329259 (no BU number) (11).
Nocomis leptocephalus bellicus (= Ceratichthys biguttatus)--USNM 27422 (1).
It should be noted that there two color phases typically referred to as Cryptocentrus leptocephalus.
Cryptocentrus leptocephalus (including the holotype RMNH 4665) has more numerous and smaller spots on the head; small round spots on upper pectoral fin base; no broad bar below the eye to the jaws; and the first band below the second dorsal fin partly overlapping the anterior base of the anal fin, followed by three sloping bands (Figs 10-12).
In Australia Cryptocentrus leptocephalus has been collected from mangroves on coral reefs, while Cryptocentrus melanopus has been recorded from sandy reef flats, with algae.
Spawning behaviors in the bluehead chub, Nocomis leptocephalus, river chub, N.
The symbiotic nest association of yellowfin shiners, Notropis lutipinnis, and bluehead chubs, Nocomis leptocephalus.
They also estimated the length in days of the leptocephalus and glass-eel stages from the same sites.
Although the present authors could not validate increments in the leptocephalus stage or metamorphosis stage (these stages metamorphose before reaching North Carolina), we collected samples to temporally validate daily increments in the glass-eel stage.