Mar 2, 2025 · Brown planaria, often Girardia tigrina, are typically smaller and regenerate faster, while black planaria, commonly Dugesia dorotocephala, are larger and regenerate more slowly. This article delves into these differences, exploring the unique features of each and providing a comprehensive comparison.

Aug 15, 2024 · Black and brown planaria flatworms feast on waste. Biofilm, uneaten fish food and even poop – it’s all a tasty meal to planaria. If you notice these planaria, it’s often a sign that you are not maintaining a clean tank.

The planarian has a soft, flat, wedge-shaped body that may be black, brown, blue, gray, or white. The blunt, triangular head has two ocelli (eyespots), pigmented areas that are sensitive to light. There are two auricles (earlike projections) at the base of the head, which are sensitive to touch and the presence of certain chemicals.

Black and brown planaria are your best choice. It will take them about 2 weeks to regenerate at room temperatures. White planaria will regenerate, but they take longer.

Mar 5, 2025 · Planaria are devastating for dwarf shrimp species. Black and brown planaria don’t eat your shrimp and snails directly, but they have other means to kill them. These worms move on slime trails, much like snails.

Black Planaria (Dugesia dorotocephala): Offered for interspecific comparison with its brown congener. Large and darkly pigmented. Mixed Planaria: A single culture of both species.

Planaria are a species of free-living flatworm that hides under rocks and debris in marine habitats. These worms feed on fish waste, but they also prey on small aquatic life such as small worms, shrimp, shrimp eggs, snail eggs, and even live fish food like bloodworms or daphnia. As their description suggests, these worms are, first of all, flat.

Black Planaria are a flatworm commonly used in science fair projects. They do not bite and move very slowly, making them easy for young students to observe. Study structure, feeding habits, responses to environmental stimuli and regeneration

Feb 2, 2025 · Planaria are a diverse group of free-living flatworms in the class Turbellaria, known for their range of colors, sizes, and head shapes. The commonly used species in classrooms and laboratories include Girardia tigrina (brownish), Planaria maculata (blackish), and …

Dec 8, 2020 · Flatworms are a diverse group of animals in the phylum Platyhelminthes. Although most are fully aquatic, there are many species that exist on land in moist, terrestrial habitats, particularly those in the family Geoplanidae.