Spine-Cheek Anemonefish (female)
TAXONOMY
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii (ray-finned fishes)
Order:Perciformes (Perch-likes)
Family: Pomacentridae (Damselfishes, Chromis, Aneomonefishes)
Subfamily: Amphiprioninae (anemonefishes)
Genus/species: Premnas biaculeatus
GENERAL CHARACTERISTICS: Juveniles orange-colored; color deepens with age. Male smaller, bright red with three brilliant white bars, sometimes barely visible. Female becomes
maroon or almost black with subdued bars. Note the conspicuous spine on cheek below the eye.
Length to 17 cm or 6.75 in.
DISTRIBUTION/HABITAT: Indo-West Pacific: Indo-Australian Archipelago. Found in lagoons and seaward reefs, 1–16 m (3.25-52.5 ft ).
P. biaculeatus is exclusively associated with the sea anemone Entacmaea quadricolor. Usually in pairs.
DIET IN THE WILD: Zooplankton and algae.
REPRODUCTION: Oviparous. Males and females guard and aerate the eggs. Protandrous hermaphrodite, In the case of the death of the female, the second largest changes from male to female. Size difference is maintained in order to avoid subordinates becoming a threat to the highest ranking male.; female is to about 2–3 times the size of her male partner.
LIFESPAN: 6 to 10 years in the wild.
PREDATORS: Wrasses
CONSERVATION: IUCN Red List Not evaluated
REMARKS: Has an exclusive mutualist relationship with Entacmaea quadricolor. The anemone benefits from having spinecheek anemonefish protect them from butterflyfishes, which feed on their tentacles. P. biaculeatus also clean away debris and parasites from the anemone. Spinecheek anemonefish are protected from most fish by the venomous anemones tentacles which do not injure the anemone fish.
References
California Academy of Sciences Steinhart Aquarium Philippine Coral Reef 2016
Ron's Wordpress Shortlink wp.me/p1DZ4b-FU
fishbase fishbase.org/summary/SpeciesSummary.php?id=6632
EOL eol.org/pages/211316/details
ADW Animal Diversity Web. animaldiversity.org/accounts/Premnas_biaculeatus/
3-9-09, 11-11-13, 4-29-16
Spine-Cheek Anemonefish (female)
TAXONOMY
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii (ray-finned fishes)
Order:Perciformes (Perch-likes)
Family: Pomacentridae (Damselfishes, Chromis, Aneomonefishes)
Subfamily: Amphiprioninae (anemonefishes)
Genus/species: Premnas biaculeatus
GENERAL CHARACTERISTICS: Juveniles orange-colored; color deepens with age. Male smaller, bright red with three brilliant white bars, sometimes barely visible. Female becomes
maroon or almost black with subdued bars. Note the conspicuous spine on cheek below the eye.
Length to 17 cm or 6.75 in.
DISTRIBUTION/HABITAT: Indo-West Pacific: Indo-Australian Archipelago. Found in lagoons and seaward reefs, 1–16 m (3.25-52.5 ft ).
P. biaculeatus is exclusively associated with the sea anemone Entacmaea quadricolor. Usually in pairs.
DIET IN THE WILD: Zooplankton and algae.
REPRODUCTION: Oviparous. Males and females guard and aerate the eggs. Protandrous hermaphrodite, In the case of the death of the female, the second largest changes from male to female. Size difference is maintained in order to avoid subordinates becoming a threat to the highest ranking male.; female is to about 2–3 times the size of her male partner.
LIFESPAN: 6 to 10 years in the wild.
PREDATORS: Wrasses
CONSERVATION: IUCN Red List Not evaluated
REMARKS: Has an exclusive mutualist relationship with Entacmaea quadricolor. The anemone benefits from having spinecheek anemonefish protect them from butterflyfishes, which feed on their tentacles. P. biaculeatus also clean away debris and parasites from the anemone. Spinecheek anemonefish are protected from most fish by the venomous anemones tentacles which do not injure the anemone fish.
References
California Academy of Sciences Steinhart Aquarium Philippine Coral Reef 2016
Ron's Wordpress Shortlink wp.me/p1DZ4b-FU
fishbase fishbase.org/summary/SpeciesSummary.php?id=6632
EOL eol.org/pages/211316/details
ADW Animal Diversity Web. animaldiversity.org/accounts/Premnas_biaculeatus/
3-9-09, 11-11-13, 4-29-16