How to Identify Silver Lyretail Molly

To identify Silver Lyretail Molly (Poecilia latipinna), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

The 'Silver Lyretail Molly' is characterized by a shimmering, iridescent silver body. Some individuals may exhibit subtle black speckling or a faint yellowish tint, particularly on the fins. The lyretail caudal fin is typically translucent or slightly opaque silver.

Scale type

cycloid

Mouth position

superior

Distinctive features

Lyre-shaped caudal fin (selectively bred trait), Large, sail-like dorsal fin (especially in males), Shimmering silver body coloration, Livebearer (viviparous reproduction)

Dorsal fin

High and sail-like, particularly prominent in males, often with 13-14 rays. In males, it can be erected to display during courtship or territorial disputes.

Tail fin

Lyre-shaped, with elongated upper and lower rays forming a distinctive 'lyre' or 'fork' shape. This is a selectively bred trait and not found in wild Poecilia latipinna.

Pectoral fin

Small, fan-shaped, located just behind the operculum.

Distinctive fins

The anal fin of the male is modified into a gonopodium, a rod-like structure used for internal fertilization. Females have a fan-shaped anal fin.

Identification Tips

1. 1

   Caudal Fin Shape

   The most distinguishing feature of the 'Lyretail' variant is its elongated, lyre-shaped caudal fin, which is not present in wild-type mollies.

2. 2

   Dorsal Fin Size

   Males, especially, possess a very large, sail-like dorsal fin that can be erected. This is a key characteristic of Poecilia latipinna.

3. 3

   Coloration

   The uniform shimmering silver body color differentiates the 'Silver Lyretail' from other Molly color morphs (e.g., black, dalmatian, gold).

4. 4

   Body Shape

   A relatively deep and compressed body, typical of mollies, but generally more robust than species like Poecilia sphenops.

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