livebearer
livebearer — noun
1. a type of fish that carries its developing young inside the mother's body and gi
a type of fish that carries its developing young inside the mother's body and gives birth to live, free-swimming babies instead of laying eggs that hatch later
Guppies and mollies are popular livebearers that many beginners raise in their first aquarium.
subject + be + livebearer — classifying common aquarium fish
The female swordtail livebearer stored sperm for months before giving birth to a new brood.
stored sperm / gave birth to + brood — reproductive behavior
Mei-Lin bought three new livebearers at the aquarium shop for her planted tank at home.
Unlike most fish, a livebearer does not need a separate tank for egg-laying.
- viviparous fish
the more formal scientific term; used in biology textbooks rather than aquarium hobby discussions
- egg-layer
a fish that reproduces by laying eggs that hatch outside the mother's body; most fish species are egg-layers
用法筆記
Common in aquarium hobby contexts. The best-known livebearers are guppies, mollies, platies, and swordtails. In scientific writing, the term viviparous fish is often used instead.