amplexus


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am·plex·us

(am-plek'sŭs), The plural of this word is amplexus, not amplexi.
The act of clasping of male to female at the time that eggs and sperm are discharged into the immediate environment simultaneously in those species; such as frogs, in which fertilization occurs externally; the male clasps the female closely.
[L. an embrace, fr. amplector, pp. -plexus, to wind around]

amplexus

(ăm-plĕk′səs)
n. pl. amplexus or amplex·uses
The copulatory embrace of frogs and toads, during which the male fertilizes the eggs that are released by the female.

amplexus

in amphibians, the period during which fertilization of eggs by the male occurs as they are passed by the female.
References in periodicals archive ?
We also evaluated whether species conducted specific activities (calling, amplexus and resting) in different microhabitats at the pools, and whether there is habitat partitioning among species.
Males with longer hindlimbs may have some advantage during amplexus or locomotor advantage in finding mates during migration (Wells 1979, Halliday 1980, Lee & Corrales 2002, Herrel et al.
nee facit hoc vitio, sed corpora foeda podagra et senis amplexus culta puella fugit.
Para la Reserva Natural Biotopo Selva Humeda se registro una pareja en amplexus, colectada cerca de una quebrada poco profunda y torrencial, posada en la vegetacion sobre el agua; sin embargo, no se escucharon machos cantando.
Amplexus teneros hac si quis quaerit in ur(be), expect(at ceras) nulla puella viri (CIL, IV, 1796)
En ocasiones el grado de relacion interespecifico es tan cercano que se observo amplexus entre H.
The evidence for a terminal molt include (1) field measurement of 288 adults in Pleasant Bay indicating adults of several age groups have similar size distributions (Shuster 1955), (2) the male pedipalp is transformed at maturity from chelate form to a swollen hook useful for grasping females during amplexus, (3) presence of internal chitinous fibers (trabeculae) in male and female adults, which could interfere with ecdysis (Shuster & Sekiguchi 2003), (4) the observation that slipper shells (Crepidula fornicata) up to 8 y old have been found attached to adult carapaces indicating that molting had not occurred for at least the slipper shell's lifespan (Botton & Ropes 1988a, Grady et al.
After copulation, the female resumed egg-laying with the male in amplexus.
In the frenzy of amplexus (the male clasping the female's forelegs for breeding purposes) it is not unusual for male frogs to clasp onto anything that swims, including ornamental fish, resulting in scaring and loss of prized specimens.
27-30 y 37-38: Hoc ubi uirgo metu audituque exterrita sensit, currit ad amplexus, Goisuintha, tuos.
Individual females often extrude thousands of eggs, which are fertilized in the water by males clasping females in a behavior called amplexus.