In other species: spiny dogfish , goldfish , rainbow trout , guppy , swordtail and platyfish , Japanese medaka , Nile tilapia , gilthead seabream , barramundi perch , green and golden bell frog , northern leopard frog , painted turtle , common lizard , Mallard , domestic goose , Chinese soft-shelled turtle , anole , Garter snake , eastern nosquitofish , white cloud mountain minnow , bark anole , Guadeloupean anole , ornate tree lizard , American crocodile , sailfin molly , ball python , strawberry poison frog , Frogs and toads , fire salamander , Midas cichlid , blacktip shark , common wall lizard , Italian wall lizard , three-spined stickleback , blue discus , , Sand lizard , common chameleon , flapneck chameleon , mimic poison frog , Asian bonytongue , Erhard's wall lizard , Chinese giant salamander , southern flounder , red-backed salamander , Siamese fighting fish , leopard coralgrouper , White's rock-skink , sea chub , starry flounder , sharpnose sevengill shark , large yellow croaker , ornate chorus frog , tongue sole , delicate skink , northern cricket frog , red-top cobalt mbuna , yellowband tropheus , Sagus Kul lizard , toad-headed agama , Guianan toad-headed agama , red tilapia , Oujiang color common carp , poison dart frogs , Amur carp , Koi , slender anole , pumpkin toadlet , Blue Regal "Mbenji" Peacock , , oriental fire-bellied newt , eastern dwarf tree frog

Categories: Pigmentation phene , Integument (skin) phene

Single-gene trait/disorder: unknown

Disease-related: no

Species summary: Dodge et al. (2024) "find that ∼40% of X. birchmanni males develop a “false gravid spot,” a melanic pigmentation pattern that mimics the “pregnancy spot” associated with sexual maturity in female live-bearing fish."

Species-specific name: false gravid spot

Mapping: Dodge et al.  (2024) used genome-wide association mapping to map the false gravid spot phenotype to an intergenic region upstream of kitlga and long-read sequencing identfied complex structural rearrangements between alternate alleles at this locus.