Sphaeramia nematoptera

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See Talk:Sphaeramia nematoptera for individual experiences with this species, Sphaeramia nematoptera. Feel free to add your own personal experiences.

Common Name
Pajama Cardinal
Binomial Name
Sphaeramia nematoptera
Sphaeramia nematoptera 1.jpg
Scientific Classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Apogonidae
Genus: Sphaeramia
Species: nematoptera

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Common Names

  • Pajama Cardinal



Information about the body shape, skeletal characteristics, how it appears, colouring etc.

Similar Species

Any species that look similar to this one, that may be mixed up.

Maximum Size

8cm [1].

Associated Organisms

Anything that lives in symbiosis, parasitic or opportunistically with it.


In groups among branching corals by day. Diperses at night to feed close to the bottom. [1]

Captive Care

Tank Size

The size of tank suitable for it, including reasoning behind this judgment.

Water Flow

Type and amount of water flow suitable for it.


How much lighting is required for it.


What it requires in terms of feeding, type of foods and frequency.

Growth Rate

How quickly it will grow under various conditions.


Things that adversely effect it, such as bacterial infections, parasites etc.


Addition things / items that are important for care in captivity.




Does it have any fish that it should not be housed with?


Does it have coral that it is not compatible with?


Is it compatible with other invertebrates such as molluscs, crustaceans and echinoderms?


Male incubates the eggs in the mouth until hatching[1].

Local Ecology


Java and Cocos-Keeling Islands to Papua New Guinea, north to Ryukyu Islands and south to North Caledonia[1].


Sheltered coastal and lagoon reefs, 1 to 6 m, in groups amoung branching corals by day. Disperses at night to feed close to the bottom. [1]

Additional Information

Additional information that doesn't fit in the above areas.



  1. 1.0 1.1 1.2 1.3 1.4 (Lieske Myers 1996): Lieske, E., Myers, R., Coral reef fishes : Caribbean, Indian Ocean, and Pacific Ocean : including the Red Sea, Princeton University Press: Princeton, 1996.