How do mussels reproduce?
Mussel is a family of molluscs, generally living in freshwater lakes, ponds, rivers and other underwater, so how do clams reproduce?
1. The living habits of mussels
River clam is a kind of mollusk, also known as river crooked, crooked, river clam, bird shell, Gala, Waqua, back horn toothless clam, clam shell, etc., the shell shape is more varied, the two shells are equal, and the top of the shell is often concentric circle or broken line type, but somewhat degraded.
Clams generally live in muddy, sandy or gravel, such as rivers, lakes, ponds, streams, etc. When it is cold in winter and spring, the axe foot is used to dig mud fen, so that part of the clam body is buried in the sediment, the front ventral edge is down, the back edge is up, and only the rear edge of the shell is exposed for breathing and feeding. When it is hot, most of it is exposed to the mud. Anodonta generally lives in still water with a pH value of 5-9 or slow-flowing fertile water.
Second, how do mussels reproduce?
Mussels usually reproduce in summer, and the fertilized eggs develop into larvae in the Gill cavity, overwintering, and hatch in the following spring. The larvae can be removed by piercing the outer gills with an open needle, and then let the larvae live on the fish for a period of time, and the larvae can sink to the bottom of the water to grow and grow.
What are the species of mussels?
1. Hyriopsis cumingii
It is a kind of clam with large and flat shell, slightly unequilateral triangular shape, well-developed hinged teeth and obvious growth pulses.
2. Anodonta dorsalis
The shell is up to 20 cm long, with two oval shells, smooth shell surface, thin but obvious growth line, no hinged teeth.
3. Pearl clam
The shell is long oval and thick, fresh water, can produce pearls, can be used for medicine, its shells can also be used as mother of pearl medicine.
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How do you reproduce the mackerel
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