Randall's Anthias (Pseudanthias randalli) Care Guide
Pseudanthias randalli is a western Pacific anthias of deep drop-offs and channel walls, found in small groups.
Overview
Pseudanthias randalli (Lubbock & Allen, 1978) is a reef anthias of the family Serranidae (subfamily Anthiinae). According to FishBase it reaches about 9.5 cm in total length and occurs in the western Pacific. It is found in small groups in caves or coral rubble areas along steep drop-offs and channel walls.
Taxonomy
- Family: Serranidae (subfamily Anthiinae)
- Genus: Pseudanthias
- Scientific name: Pseudanthias randalli (Lubbock & Allen, 1978)
- Note: FishBase places this species in family Anthiadidae
Habitat
FishBase records this species from the Pacific Ocean, from the Philippines to Niue and north to the Ryukyu Islands. It is benthopelagic and occurs in caves or coral rubble areas along steep drop-offs or channel walls at depths of 15 to 120 m, usually 15 to 70 m.
Tank requirements
- Minimum tank volume: 400 L (about 106 gal)
- Temperature: 24-26 °C (75-79 °F)
- pH: 8.1-8.4
- Carbonate hardness range (record): 8-12 °dGH
- Group size: keep in groups (record suggests 5 or more)
- Lifespan: 4-10 years (KB record)
Diet
FishBase gives the species a trophic level of about 3.3, consistent with a carnivorous, zooplankton-based diet; Wikipedia notes that the genus Pseudanthias feeds on zooplankton. In aquaria it requires several small feedings of meaty planktonic foods per day.
Compatibility
Pseudanthias are haremic, active mid-water swimmers. According to Wikipedia the genus is haremic and protogynous, with fish developing first as females and the dominant individual changing into a male; FishBase notes that males of this species develop a slightly protruding upper lip and become striped in red and magenta. The KB record lists tangs, wrasses, clownfish and Genicanthus angelfish as suitable companions, while aggressive damsels and triggers are best avoided.
Conservation status
IUCN Red List: Least Concern, assessed in 2015. FishBase notes the species is used in both commercial fisheries and the aquarium trade.