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Fish larvae are part of the zooplankton that eat smaller plankton, while fish eggs carry their own food supply. Both eggs and larvae are themselves eaten by larger animals. [2] [3] Fish can produce high numbers of eggs which are often released into the open water column. Fish eggs typically have a diameter of about 1 millimetre (0.039 in).
A planktivore is an aquatic organism that feeds on planktonic food, including zooplankton and phytoplankton. [1] [2] Planktivorous organisms encompass a range of some of the planet's smallest to largest multicellular animals in both the present day and in the past billion years; basking sharks and copepods are just two examples of giant and microscopic organisms that feed upon plankton.
Fish eggs cannot swim at all, and are unambiguously planktonic. Early stage larvae swim poorly, but later stage larvae swim better and cease to be planktonic as they grow into juvenile fish. Fish larvae are part of the zooplankton that eat smaller plankton, while fish eggs carry their own food supply.
The garden eel is a carnivore, and eats plankton. Because of its large eyes, it relies mostly on sight to find its food. It catches the plankton by staying in its burrow and swaying its head about to catch the plankton drifting by in the current. Garden eels are sexual reproducers and sexually dimorphic. In the mating season, the eels move ...
Normally they travel in large groups, which tends to result in huge swaths of them consuming all of the zooplankton in the area. This leads to detrimental impacts for the local ecosystem in which they travel through. Since they eat all the zooplankton, there is a lack of food for the other species relying on the plankton as their food source. [6]
Fish larvae are part of the zooplankton that eat smaller plankton, while fish eggs carry their food supply. Both eggs and larvae are themselves eaten by larger animals. [39] [40] Fish can produce high numbers of eggs which are often released into the open water column. Fish eggs typically have a diameter of about 1 millimetre (0.039 in).
Its diet consists mainly of zooplankton and insects caught on the water surface. It is predated on by birds and the catfish Schilbe mystus, Clarias gariepinus and Bagrus docmak. It is thought that spawning occurs inshore and a mature female may have an estimated fecundity of >1,000 eggs. The eggs are planktonic. [1]
Less is known about the feeding of the oceanic species, but they appear to mostly eat zooplankton, with other recorded items being floating insects, fish eggs and larvae, and dead jellyfish. [1] [3] Small prey is caught and eaten by a single Halobates, but larger prey such as small fish may be eaten by three or four Halobates at once.