alevin
1
9.9
A very young fish, newly hatched and still with a small food sac
- noun
- /ˈælɪvɪn/
- Specialized
:
alevín
- In freshwater streams, newly hatched alevins blend in with their surroundings to avoid predators.
- alevins and eggs
Examples
-
An alevin is a very young fish that has not yet fully absorbed its yolk sac.
-
Alevins are darker than the background, and their eyes, in particular, are very dark.
Academic text (2016) -
We refer to the "hatched eggs" as alevins.
Academic text (2016) -
However, sometimes cyclic mouth motion induced by natural reflex demonstrates that the alevin is alive.
Academic text (2016) -
Some alevins have no detectable heartbeat in the sequence due to significant pigmentation in the thorax region.
Academic text (2016) -
A alevin still has its yolk sac attached, which provides it with essential nutrients.
How Mature
Surface Forms
Etymology
Alevin comes from French alevin, which meant a 'little fish' and used the ending -in to show small size like a 'chick' or 'kitten'. So an alevin is a baby fish that still has its yolk sac.