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Amarinus Laevis the Thai Micro crab Australian cousin mating. The male had freshly moulted. Sometimes I selectively match up pairs instead of the normal harem structure I use (1 personality based chosen male with a dozen equal or larger size females per breeding tank). Like here. Males are so aggressive they frequently kill females or at least remove a few of their legs during mating or eating when left to themselves. This young one while smaller than the female may have killed her if he wasn't diminished by the fresh moult. Putting them on equal ground. She is clearly quite willing as you can see. However he originally chased her down and mounted her into copulation position. You can just see the orange gel sacks on the males claws. They get almost pea size on some adult males. Females don't have them. Feel free to message me Johhny.

About a week ago, I transferred many of the larvae/zoes to saltwater and left a few in fresh water. Next day, had a bunch more in freshwater. Seems the ones in freshwater have, for the most part, died off, while the ones in saltwater continue to grow and morph. Safe to say that I have more in saltwater than in freshwater at the moment, despite the birth of more after moving them.