A young fish is typically called a fry. However, the terminology for a young fish can vary depending on its species and developmental stage. Here’s a detailed breakdown:
1. Fry
- The term “fry” generally refers to a young fish right after it hatches, usually when it is still very small and dependent on the yolk sac for nutrition.
- The fry stage begins immediately after the fish hatches from its egg. At this stage, the fish are very fragile and not yet capable of swimming well or feeding independently.
2. Larvae
- In some fish species, the young fish are first referred to as “larvae” after they hatch. This stage is right after hatching, but before the fish develops into a fry.
- During the larvae stage, the fish may still rely on the nutrients provided by the yolk sac, and the main features like fins and scales haven’t fully developed yet.
3. Juvenile
- As the fry grows and begins to mature, it is referred to as a “juvenile” fish. Juveniles have typically developed fins and scales and start to look more like adult fish, though they are still growing.
- At this stage, they may begin to feed independently and learn the behaviors they will need as adult fish.
4. Fingerling
- The term “fingerling” is used for juvenile fish that are about the size of a human finger, typically between 1 to 3 inches long. Fingerlings are generally past the early fry stages and are in the process of growing toward maturity.
- This stage is especially common in aquaculture, where fish are raised for commercial purposes. Farmers often use this term to describe fish that are small but strong enough to be stocked in larger bodies of water.
5. Other Terms
- Some species of fish have specialized terms. For example, baby sharks are sometimes called “pups” rather than fry or larvae.
- Similarly, certain species of fish have specific terms for their young based on their life cycle, environmental needs, and stages of development.
So, to sum it up: a young fish is usually referred to as a fry or larvae at the earliest stages, and then grows into a juvenile or fingerling as it matures.