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cardinalfish-with-yellow-eggs-in-mou..tiff
ostorhinchus-notatus-spawning-spotna...tif
ostorhinchus-notatus-spawning-spotna...tif
$Like other cardinalfish, spotnape cardinalfishes (Ostorhinchus notatus) are paternal mouthbrooders. When a pair of fish are ready to spawn, male and female align side-by-side. As the female pushes out a cluster of eggs, the male fertlizes them, then rapidly moves behind the female to take the eggs into his mouth for brooding. Once the transfer of eggs is accomplished, the male will care for the eggs until maturity. The gestation period varies with water temperature, but hatchout takes place after approximately two weeks. Females in this situation eventually leave the male, but they first exhibit an odd behavior after laying eggs. They appear to harass the male, chasing him and targeting the eggs in his mouth. While avoiding these charges by the female, the male spits out and takes the eggs back into his mouth multiple times, as pictured here. The male has just turned quickly to evade the female (visible in the background) and spit out his mouthful of eggs, sucking them back into his mouth in a fraction of a second. The purpose of this post-spawning behavior is not clear. It appears almost as if the female is attempting to steal the eggs from the male.$

ostorhinchus-notatus-spawning-spotna...tif
$Like other cardinalfish, spotnape cardinalfishes (Ostorhinchus notatus) are paternal mouthbrooders. When a pair of fish are ready to spawn, male and female align side-by-side. As the female pushes out a cluster of eggs, the male fertlizes them, then rapidly moves behind the female to take the eggs into his mouth for brooding. Once the transfer of eggs is accomplished, the male will care for the eggs until maturity. The gestation period varies with water temperature, but hatchout takes place after approximately two weeks. Females in this situation eventually leave the male, but they first exhibit an odd behavior after laying eggs. They appear to harass the male, chasing him and targeting the eggs in his mouth. While avoiding these charges by the female, the male spits out and takes the eggs back into his mouth multiple times, as pictured here. The male has just turned quickly to evade the female (visible in the background) and spit out his mouthful of eggs, sucking them back into his mouth in a fraction of a second. The purpose of this post-spawning behavior is not clear. It appears almost as if the female is attempting to steal the eggs from the male.$

ostorhinchus-notatus-spawning-spotna...tif
ostorhinchus-notatus-spawning-spotna...tif
ostorhinchus-notatus-spawning-spotna...tif
Apogon-nigrofasciatus-blackstripe-ca...tif
endangered-Banggai-cardinalfish-Pter...tif
juvenile-pajama-cardinalfish-Sphaera...tif
ostorhinchus-notatus-spawning-spotna...tif
goldbelly-cardinalfish-eggs-apogon-a...tif
Siphamia-corallicola-coral-cardinalf...tif
Pterapogon-kauderni-endangered-Bangg...tif
painted-frogfish-Antennarius-pictus-...tif
pseudamia-amblyuroptera-white-jawed-...tif
goldbelly-cardinalfish-eggs-apogon-a...tif
pterapogon-kauderni-with-juveniles-b...tif