Reef Stories
Cardinalfish
Cardinalfish
Fish Index
Fish
Sharks & Rays
Anenome Fish
Anthias
Angelfish
Batfish
Barracuda & Travallies
Box-, File-& Pufferfiish
Blennies
Butterflyfish
Cardinalfish
Dartfish
Dragonets
Dottybacks
Eels
Flatfish
Frogfish
Gobies
Ghost Pipefish
Hawkfish
Jawfish
Sand-Divers
Scorpionfish
Seahorses
Snappers
Surgeonfish
Sweetlips
Triggerfish
Wrasse
Of the c. 250 species, some 150 are found on SE Asian reefs. The are one of the few marine fish that are mouth-breeder, with the males carrying the eggs in their mounths until hatched. Brooding males are easily recognised by the swollen throats. Cardinalfish have been understudied, and new species can be expected as more research is carried out.
Most species are night active though some are seen in large mixed groups or single species aggregations in the day. Rhabdamia cypselurus can be seen in huge groups over corals while Ostorhinchus parvula schools midwater near reefs. Archamia furcata & Ostorhinchus aureus can ofter be seen in mixed groups around outcrops with black coral. Stagshorn coral provides protection to large groups of e.g. Ostorhinchus sealei, Archamia melasma, Taeniamia zosterophora. Other species seek shelter between the spines of sea-urchins, and Neamia octospina is able to hide between the highly poisonous tentacles of Fire Anenomes (Phyllodiscus semani).
The Bangai Cardinalfish is the only species under threat. This is due to massive over-collecting by the aquarium trade.
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Cardinalfish Genera
A number of the genera have benn split out here simply make viewing them easier, and some comments are genus-specific.
Apogonichthyoides & Archamia
Cheilodipterus
Gymnapogon, Nectamia & Neamia
One of the images shows one of a group of Neamia octospina hiding in a Fire Anenome.
Ostorhinchus
Perapogon, Pristapogon & Rhabdamia
The Bangai Cardinalfish (Perapogon kauderni) are extemely popular aquarium fish. The are easy to breed in captivity and yet they are so relentlessly collected in their very restricted home range, that they are critically endangered there, On the other hand, the sinking of an aquarium fish collection boat in Lembeh, North Sulawesi released Bangai Cardinalfish into Lembeh, and over the years they have taken over the the living space of many clownfish.
This is the only species that has no planktonic stage. The eggs and juvenile remain in the mouth of the male for c. 30 days, emerging as miniature adults. This accoiunts for their restricted natural distribution.
Sphaeramia
The Pajama Cardinalfish (Sphaeramia nematoptera) lives in groups hiding in branching corals e.g. Porities, Acropora. They are favourites for marine aquaria, but to catch them wither cyanide is used, or the hard coral surrounded by a net, and then all the coral branches broken so they have nowhere to hide.
Sphaeramia orbicularis can be seen in large groups in sheltered mangrove areas
Taeniamia & Zoramia
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Apogonichthyoides & Archamia
Apogonichthyoides & Archamia
Cheilodipterus
Cheilodipterus
Gymnapogon, Nectamia & Neamia
Gymnapogon, Nectamia & Neamia
One of the images shows one of a group of Neamia octospina hiding in a Fire Anenome.
Ostorhinchus
Ostorhinchus
Perapogon, Pristapogon & Rhabdamia
Perapogon, Pristapogon & Rhabdamia
The Bangai Cardinalfish (Perapogon kauderni) are extemely popular aquarium fish. The are easy to breed in captivity and yet they are so relentlessly collected in their very restricted home range, that they are critically endangered there, On the other hand, the sinking of an aquarium fish collection boat in Lembeh, North Sulawesi released Bangai Cardinalfish into Lembeh, and over the years they have taken over the the living space of many clownfish.
This is the only species that has no planktonic stage. The eggs and juvenile remain in the mouth of the male for c. 30 days, emerging as miniature adults. This accoiunts for their restricted natural distribution.
Sphaeramia
Sphaeramia
The Pajama Cardinalfish (Sphaeramia nematoptera) lives in groups hiding in branching corals e.g. Porities, Acropora. They are favourites for marine aquaria, but to catch them wither cyanide is used, or the hard coral surrounded by a net, and then all the coral branches broken so they have nowhere to hide.
Sphaeramia orbicularis can be seen in large groups in sheltered mangrove areas
Taeniamia & Zoramia
Taeniamia & Zoramia
