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Neocaridina davidi is a freshwater shrimp originating from eastern China and northern Taiwan and introduced in the rest of Taiwan, Japan, and Hawaii, which is commonly kept in aquaria. The natural coloration of the shrimp is green-brown, though a wide variety of color morphs exist, including red, yellow, orange, green, blue, violet and black ...
Mysida is an order of small, shrimp-like crustaceans in the malacostracan superorder Peracarida. Their common name opossum shrimps stems from the presence of a brood pouch or "marsupium" in females. The fact that the larvae are reared in this pouch and are not free-swimming characterises the order. The mysid's head bears a pair of stalked eyes ...
The presence of a "saddle" indicates a female has eggs in her ovaries and may be ready to mate. [5] Eggs of the Neocaridina zhanghjiajiensis shrimp. The best way to tell if a female is close to hatching her eggs is by the appearance of a set of eyes inside each egg, this is easy to spot and will let you know that the hatching is a few days later.
Neocaridina is a genus of atyid shrimp, containing 26 species as of March 2023. [ 2 ] [ 3 ] Members of the genus are distributed across East Asia [ 4 ] including China, Korea, Japan, and Taiwan. Like many other Atyid shrimps, they live in freshwater habitats.
The lizards were female in appearance and were capable of bearing offspring, despite having the ZZ chromosomes usually associated with male lizards. [ 19 ] In 2018, a team of Chinese and American researchers showed that the histone H3 lysine 27 (H3K27) demethylase KDM6B (JMJD3), an epigenetic modifier, activates male development in red-eared ...
Manatee gestation is around one year, and then they lactate for one to two years. West Indian manatees and African manatees can breed year-round, and a female will mate with multiple males. [58] Amazonian manatees have a breeding season, usually mating when the river levels begin to rise, which varies from place to place. [59]
Like humans and other animals, fish suffer from diseases and parasites. Fish defences against disease are specific and non-specific. Fish defences against disease are specific and non-specific. Non-specific defences include skin and scales, as well as the mucus layer secreted by the epidermis that traps microorganisms and inhibits their growth.
The dugong (/ ˈ d (j) uː ɡ ɒ ŋ /; Dugong dugon) is a marine mammal.It is one of four living species of the order Sirenia, which also includes three species of manatees.It is the only living representative of the once-diverse family Dugongidae; its closest modern relative, Steller's sea cow (Hydrodamalis gigas), was hunted to extinction in the 18th century.
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