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Pseudanthias bimaculatus, commonly known as the twinspot anthias or two-spot anthias, is a species of colorful reef fish belonging to the family Serranidae. Here are some key characteristics and facts about Pseudanthias bimaculatus:

1. Appearance: Twinspot anthias have a slender, elongated body typical of anthias species. They are generally pink to orange in color, with two distinctive dark spots on their sides near the midsection of the body. These spots are often black or dark red.
2. Size: They typically grow to about 6-8 centimeters (2.4-3.1 inches) in length.
3. Habitat: This species is found in the tropical Indo-Pacific region, including the Red Sea, where it inhabits coral reefs and rocky areas. They are typically found at depths ranging from 5 to 30 meters (16 to 98 feet), though they can occur deeper.
4. Behavior: Twinspot anthias are social fish that form loose aggregations, often hovering above coral heads or in reef crevices. They feed primarily on zooplankton and small invertebrates.
5. Reproduction: Like many anthias species, Pseudanthias bimaculatus is hermaphroditic, where individuals start as females and some can transition to males. Males are typically larger and more brightly colored than females.
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