Kā identificēt Zebrafish

Lai identificētu Zebrafish (Danio rerio), pievērsiet uzmanību šīm galvenajām pazīmēm.

Fiziskās īpašības

Ķermeņa forma

torpedo

Krāsojums

Silvery-gold body with 5-7 prominent, iridescent blue-black horizontal stripes extending from the gill cover to the caudal fin. Fins are typically clear or slightly yellowish, sometimes with faint striping.

Zvīņu tips

cycloid

Mutes novietojums

superior

Raksturīgās pazīmes

Five to seven distinct, iridescent blue-black horizontal stripes along the body., Small, slender, torpedo-shaped body., Two pairs of barbels (one rostral, one maxillary), though the rostral pair can be very small or absent in some individuals.

Muguras spura

Single, short-based dorsal fin located mid-body, typically with 7-8 branched rays.

Astes spura

Forked caudal fin (homocercal).

Krūšu spura

Paired pectoral fins, relatively small.

Raksturīgās spuras

Anal fin is elongated, extending from behind the dorsal fin to the caudal peduncle, with 12-14 branched rays. Pelvic fins are small and abdominal.

Identifikācijas padomi

1. 1

   Stripes

   The most defining feature is the 5-7 iridescent blue-black horizontal stripes running the length of the body, contrasting with a silvery-gold background.

2. 2

   Body Shape and Size

   Small, slender, torpedo-shaped body, typically reaching 3-4 cm in length.

3. 3

   Barbels

   Presence of two pairs of small barbels, though the rostral pair can be vestigial or absent.

4. 4

   Fin Shape

   Forked caudal fin and an elongated anal fin are characteristic.

Izpētiet Zebrafish