WENG YI-WEN - Six Growth Forms of Anguilla japonica
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Country: Taipei, Taiwan
Title: Six Growth Forms of Anguilla japonica
Specie: Anguilla japonica
Description: 1.egg-stage： Fertilized eggs of cultured eels
2.egg-stage： Fertilized eggs of natural eel
3.Fertilized eggs before hatching
4. leptocephalus：At this time, the body is flat and transparent, as thin as willow leaves, floating in the ocean.
5.glass eel：When approaching coastal waters, the body changes from a willow leaf to a streamlined glass eel, reducing drag to escape strong currents.
6.elvers：When entering the estuary waters, melanin begins to appear, but it also forms the capture source of eel fry in aquaculture.
7.yellow eel：During the growth of the river, the belly of the fish is yellow.
8.silver eel：At maturity, the fish turns into a silvery-white color similar to that of deep-sea fish, with enlarged eyes and widened pectoral fins to accommodate migration to the deep sea to spawn.
Category: Scientific illustration