Ever heard of incubator fish? These cool animals are a kind of fish that take care of their eggs in a special way, and in this lesson we'll learn about what it's like for a fish to be an incubator, discover some really cool stuff about their development and survival, and find out what prevents them from forming a pile of eggcicles at the bottom of the lake.
Incubator fish have an interesting life cycle. The fish deposit their eggs in a special pouch — an incubator — in the male fish’s belly. It’s the male fish that will then hold the eggs until they hatch. This stands in stark contrast to the sex roles of most other fish, in which the female fish deposits the eggs and neither parent invests in caring for the eggs.
These incubator fish are, as parental fish go, pretty devoted. The fishy dudes care for the eggs in their pouch very well. They ensure the eggs are safe and not a meal for some other creature. The male fish also helps the oxygen reach the eggs for proper development. This makes it all the more important for the male fish to keep watch over their eggs until they’re ready to hatch.
Incubator fish have evolved a few crafty survival strategies to ensure their babies make it through. They protect their eggs from predators by carrying them in their pouch. This has the effect of increasing the likelihood of egg hatching and survival of the young fish. Engaging in parental care for their eggs allows incubator fish to provide a great start to life for their offspring.
Imagine a world without incubator fish. By taking care of their eggs and ensuring the survival of their young, they contribute to the overall equilibrium of the ecosystem. By shielding their eggs from predators, incubator fish contribute to making sure there are plenty of young fish to mature and diversify an ecosystem. With out incubator fish, the ecosystem would be deprived of health and diversity.
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