melanism

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  • noun

Synonyms for melanism

a condition characterized by abnormal deposits of melanin (especially in the skin)

References in periodicals archive ?
Importantly, the analyses included only animals that were >18 mm in standard length, because we noted that smaller animals were often sexually immature and were quite variable in caudal fin melanistic patterning.
In the Southeast, there is a melanistic form of the fox squirrel, but here in Chicagoland, it is usually a dark gray squirrel.
Therefore, in this study the efficacy of two different sedative and anaesthetic substances on clownfish which show melanistic and not melanistic growth has been identified.
We hypothesized antipredator behavior would be reduced (that is, tolerance to possible threats would be higher) in the melanistic morph relative to the gray morph.
A camera trapping survey reveals a melanistic grey wolf (Canis lupus) in an unusual habitat in Turkey (Mammalia: Carnivora).--Zool.
Subsequently, extensive surveys established that elytral color morph frequencies change along a geographic (latitudinal) cline in Japan, where red (nonmelanistic) morphs at higher latitudes are gradually displaced by black (melanistic) morphs as latitude decreases [58].
The "black leopard" is a rare melanistic color phase (opposite albinism) that can occur anywhere, but in Africa it's perhaps most common in Ethiopia.
Besides a standard tricolour type which prevailed, we identified six colour variants: stavropolicus with reduced white spots, and a bicolour entirely devoid of spots, white, piebald, dark-black (atypical melanistic) and intense dark (melanistic).
Albino and melanistic genets (Genetta genetta) in Europe.
Larval lengths refer to BL of ethanol-preserved larvae, and descriptions of pigmentation refer to melanistic pigment.
After studying several of these species, he determined that southern specimens often exhibited a melanistic variation (with intermediates) of the color form fairly consistently, and therefore determined that these are not varieties or subspecies but simply melanistic forms of the corresponding northern species.
Not unlike the tigerfish published in the last issue, these albino or "melanistic" bass exhibit a golden colour.
Head of the environmental department of the British Sovereign Bases, Pantelis Charilaou, said: "A melanistic individual is a very, very rare sighting...
We are not aware of leucistic or melanistic individuals being reported.