Specimens

Illustrate the structure, feeding habits, responses, and reproduction of a typical Anthozoan.

Pimephales promelas. Nonaggressive. Highly adaptable and easy to maintain, minnows make good water pollution indicators. Care instructions are included. Size: 2". Package of six.

Freshwater Mussels (Unio or Anodonto)

Uca sp. The fiddler crab gets its name from the male’s larger claw, which it waves up and down in a fiddling motion when threatened or when attracting a mate.

Set contains one male betta, a package of ceratophyllum, and an aquatic habitat.

For consistent readings underwater.

The adhesive forms a waterproof seal, won’t crack or shrink, and stays flexible when dry. It won’t harm freshwater or saltwater life-forms.

The rounded, differently sized stones make your tank look like a stream bed.

Attractive Bottom Cover Enhances Natural Filtration and Nitrogen Cycling
Gravel contains no lead or chrome and won’t change the pH or chemistry of the tank. Pebble sizes up to 1/4" dia.

Fast and easy-to-use, this kit contains two dropper bottles for accurate dispensing of test solutions, non-staining test tube with snap cap, and instructions. It comes with enough solution for 130 tests and can be used in either fresh or salt water. Range: 0–8 ppm ammonia.

With no metal corners or panels, these plate glass aquaria allow students to carefully observe aquatic life from all angles.

Rotifers are well adapted to adverse conditions; when dry, the eggs remain viable for years.

Screen Aquarium Top
It features an inset metal screen in the center to easily convert your aquarium to a terrarium. You can even add large plastic tubes at the access holes to turn it into a gerbil run. It also accommodates a light strip.

Complete Equipment for 5- to 10-Gallon Aquariums

Is your aquarium missing that “natural” feel? This colorful assortment of shells is ideal for turning any fish tank into a realistic environment. Package of 30.

Use this cone-shaped fine-mesh nylon net to let water pass while you filter out plankton.

Waterproof Unit Is Completely Safe, Even When Wet