Como identificar Black Phantom Tetra

Para identificar Black Phantom Tetra (Hyphessobrycon megalopterus), observe estas características principais.

Características físicas

Formato do corpo

compressed

Coloração

Males are predominantly dark grey to black, with a prominent, vertically elongated black spot behind the gill cover, often bordered by a lighter, iridescent vertical bar. The dorsal, anal, and caudal fins are typically black, with the dorsal and anal fins of males being notably elongated. Females are generally lighter grey to brownish, with the same black shoulder spot, but their adipose and pelvic fins are reddish, and their other fins are less intensely colored and shorter. Both sexes exhibit a subtle iridescent sheen, particularly under certain lighting.

Tipo de escama

cycloid

Posição da boca

terminal

Características distintivas

Prominent black humeral spot (shoulder spot), Elongated dorsal and anal fins in males, Reddish adipose and pelvic fins in females, Subtle iridescent body sheen

Nadadeira dorsal

Single dorsal fin, typically black; significantly elongated in males, especially the first few rays.

Nadadeira caudal

Forked caudal fin, generally dark or translucent.

Nadadeira peitoral

Paired pectoral fins, translucent.

Nadadeiras características

Paired pelvic fins, translucent in males, reddish in females. Adipose fin present, small, translucent in males, reddish in females.

Dicas de identificação

1. 1

   Size

   Adults typically reach a maximum standard length of 3.5-4.5 cm (1.4-1.8 inches).

2. 2

   Humeral Spot

   A distinct, vertically elongated black spot is present behind the gill cover on both flanks. This is a key identifying feature.

3. 3

   Sexual Dimorphism

   Males have significantly longer, more pointed dorsal and anal fins and a generally darker body coloration. Females have shorter, rounder fins and reddish adipose and pelvic fins.

4. 4

   Schooling Behavior

   They are almost always observed in schools, a characteristic behavior that aids in identification in their natural habitat and in aquariums.

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