Results for “egg”

eyed-up

Term used in the aquarium hobby in reference to an eyed egg.

fanning

Process of moving water over eggs or fry via rapid movement of the fins, thus aerating or removing solid particles from them.

Used in 42 profiles

fractional spawner

A fish species in which females release eggs at intervals over a given period.

Used in 21 profiles

gamete

Cell that fuses with another during fertilization in organisms employing sexual reproduction, e.g., an egg or sperm cell.

larvophily

Reproductive strategy whereby the eggs are laid on a solid surface where they hatch before being brooded for a further period in the mouth of one or both parents. Seen in some Geophagus spp., for example.

lecithotrophy

Literally, 'feeding on yolk'. A form of development in which an embryo receives no nutrition other than the yolk contained within its egg.

Used in 1 profile

micropyle

Tiny opening in an egg through which spermatozoa can enter.

mouth-brooder

Used in reference to fishes which brood or protect their eggs or offspring in the mouth of one or both parents.

Used in 5 profiles

oocyte

Cell from which an egg or ovum develops.

oophagy

Feeding on eggs either inside or outside the mother's body

oviparous

Producing eggs which hatch outside the body, as in most fishes.

oviposit

To deposit an egg during a spawning event,

ovipositor

Tubular structure used to deposit eggs in some fishes. Formed by an extension of the genital opening and usually concealed but sometimes becomes visible prior to spawning. Also referred to as the genital papilla.

Used in 31 profiles

ovophily

Reproductive strategy whereby the eggs are laid on a solid surface where they are immediately collected and brooded in the mouth of one or both parents. Seen in some Geophagus spp., for example.

ovoviviparity

Reproductive strategy in which fertilisation occurs internally and the eggs develop inside the body of the mother until hatched, at which point live offspring are born. There is no placental connection between mother and embryo unlike in viviparous species.

ovum

Unfertilised female reproductive cell or gamete; unfertilised fish egg.

parthenogenesis

Method of asexual reproduction by which an unfertilized egg develops into a new individual exhibited by certain fishes.

Used in 1 profile

sneaker male

Subdominant male individual of certain fish species that attempts to sneak into the nest of a spawning pair and fertilise deposited eggs. Typically smaller in size and/or possessing reduced colouration compared with a normal male. Also known as a sneaky male.

spawning

The act of releasing and fertilising eggs in fishes.

Used in 988 profiles

strip

To artificially remove gametes from for captive breeding; to forcefully remove eggs or fry from the buccal cavity of a mouthbrooding fish in order to hatch/raise them elsewhere.

Used in 140 profiles