Small, reef colonizing, colonial, often whimsically colored and exorbitantly priced, fancy sea basses, or commercially-called Anthias are the least hardy members of their parent family. Most are just unsuitable for the conditions provided by their captors. Follow along with me and I'll offer my suggestions for keeping these delicate fishes.

Classification: Taxonomy, Relation With Other Groups

Continuing in our discussion of true bass family members, Family Serranidae, we have the Subfamily Anthiinae. These small, at times breathtakingly beautiful little basses lack many serranid specializations and may have a pseudochromid (Dottyback family) affinity.

Common genera and sub-genera include popular Anthias, Pseudanthias, Mirolabrichthys (e.g. the purple queen, tuka), Callanthias, Franzia Nemanthias, Serranocirrhitus, among others (see Randall, Pyle). The systematics of this group is not well-elucidated and many new species are to be expected.

Survey of Nominal Species, Aquarium Notes:

Genus Anthias: Eleven Spp.

Genus Holanthias; Deepwater Anthias: Nine Species:

Genus Luzonichthys; Slender Anthias: Six spp.

Genus Nemanthias; Threadfin Anthias: One species:

Genus Plectranthias; Perchlets: 

Genus Pseudanthias; Fairy Basslets or Anthias: Three subgenera (Franzia, Pseudanthias, Milabrichthys): Thirty-eight spp.:

Pseudanthias bartlettorum (Randall & Lubbock 1981), Bartlett's Anthias. Western Pacific. One of the hardiest Anthiines for aquarium use. To three and a half inches in length. Aquarium image of female, male.
Pseudanthias bicolor (Randall 1979), the Bicolor Anthias. Indo-Pacific, Mauritius to the Hawaiian Islands. To five inches in length. Also a hardy large reef aquarium species. One male by itself or with several females. Aquarium and Hawai'i pix.
Pseudanthias bimaculatus (Smith 1955), the Twin or Two-Spot Anthias. To four and a half inches in length. Distributed in the Indo-West Pacific, eastern Africa to Indonesia. This male and female at right in separate aquariums. A very shy species.
Pseudanthias dispar (Herre 1955), the Dispar Anthias. Indo-west Pacific. To almost four inches in length. Hard to keep if not immediately trained to take food. Best fed a few times daily.  Females have slightly longer pelvic fins. A gorgeous male in the Singapore Aquarium, Sentosa Island and N. Sulawesi males and females from the last.
Pseudanthias evansi (Smith 1954), Evan's Anthias, Yellowback or Yellowtail Anthias. Indian Ocean, eastern Africa coast over to the Maldives. To five inches in length. A difficult aquarium species. Similar to the hardier Pseudanthias bartlettorum, which has a yellow dorsal fin. Below: Aquarium, Maldives and N. Sulawesi images.
Pseudanthias fasciata (Kamohara 1954), One-stripe Anthias. To 21 cm. Indo-West Pacific; Southern Japan to Australia's GBR. Photo courtesy of John Boe.
Pseudanthias hawaiiensis, Randall 1979, the Hawaiian Longfin Anthias. Looks very similar to Pseudanthias ventralis but found only in Hawaii. Up to four inches in length. The male pictured on the left, and the female on the right. Images from the Kona side of the Big Island of Hawai'i. Jason.C at right, Bob.F below.
Pseudanthias hiva Randall & Pyle 2001. Males to 10 cm. females to six. Eastern-Central Pacific; Marquesas. Nuka Hiva pic of a female showing the definitive orange-red bar below the eighth dorsal fin ray.
Pseudanthias huchtii (Bleeker 1857), the Red-Cheeked Fairy Basslet. To five inches in length. Indo-Australian distribution. A female off of Mabul, Malaysia and a male off of Gili Air, Lombok, Indonesia. A relatively hardy aquarium species, can be scrappy. http://fishbase.sinica.edu.tw/Country/ CountrySpeciesSummary.cfm?Country= Indonesia&Genus=Pseudanthias&Specie s=huchtii
Pseudanthias hypselosoma Bleeker 1878, Stocky Anthias. Maldives to Australia, southern Japan. To 19 cm. in length according to fishbase, though I've never seen one over four inches in the wild. Mabul, Malaysia and N. Sulawesi pix.
Pseudanthias ignitus Randall & Lubbock 1981, the Flame Anthias. Indian Ocean; Maldives, Similan Islands. To three inches in length. Not often (enough) seen in the west. Photo courtesy of Peter Martis
Pseudanthias lori (Lubbock & Randall 1976), Lori's Anthias. To five inches in length. Indo-Pacific. Best kept in a small group, as they are here at a marine livestock wholesale operation. Close up of an individual in Mabul, Malaysia and in a wholesaler's cubicle in L.A.
Pseudanthias luzonensis (Katayama & Masuda 1973), the Yellow-Lined Anthias. To five and a half inches long. Males with three yellow lines and red spot on their dorsal fin. Males off Gili Air, Lombok, Indonesia.

Part I To: Part II