Blackwater Aquatics Lab Notes

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Your source for practical aquarium guides in Canada, including fish care, betta breeding, live fish food, scud cultures, daphnia, microworms, water parameters, and freshwater tank setup advice.

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What Do Crappie Eat?
What Do Crappie Eat?
What do crappie eat? Learn how their diet changes from zooplankton and insect larvae as fry to minnows, shiners, crayfish and other fish as they grow. Read more...
Mayfly Nymphs: Identification, Diet and Why They Indicate Clean Water
Mayfly Nymphs: Identification, Diet and Why They Indicate Clean Water
Mayfly nymphs are important freshwater grazers, fish forage and indicators of clean, oxygen-rich water. Learn how to identify them, what they eat, where they live and why their presence can... Read more...
What Eats Zooplankton?
What Eats Zooplankton?
What eats zooplankton? Fish fry, minnows, aquatic insects and other predators depend on these tiny organisms. See how zooplankton fuels freshwater food webs from ponds to lakes. Read more...
What Are Copepods?
What Are Copepods?
What are copepods? These tiny crustaceans are a major part of freshwater zooplankton, feeding on algae and microbes while providing essential prey for fish fry, small fish and other aquatic... Read more...
Lake Food Web: How Energy Moves Through a Lake
Lake Food Web: How Energy Moves Through a Lake
How does a lake food web work? Follow energy from phytoplankton and zooplankton through aquatic insects and small fish to bass, perch, pike and top predators—and see how decomposers recycle... Read more...
What Do Yellow Perch Eat?
What Do Yellow Perch Eat?
What do yellow perch eat? Their diet changes as they grow, from zooplankton and insect larvae to scuds, worms, minnows and other small fish. See how size, season and habitat... Read more...
What Do Northern Pike Eat?
What Do Northern Pike Eat?
What do northern pike eat? Pike are ambush predators that feed mainly on fish, including perch, minnows and other forage species, while larger pike may also take crayfish, amphibians and... Read more...
What Do Walleye Eat?
What Do Walleye Eat?
What do walleye eat? Learn how their diet changes from fry to adults, which prey they target, and how light, habitat and season affect feeding. Read more...
What Do Catfish Eat? Diet, Feeding Habits & Species Guide
What catfish eat and how they find it: the ranked diet, why chemoreception lets them feed in darkness and muddy water, why the scavenger reputation is wrong, how channel catfish and bullheads differ in diet and pond behaviour, and the barbel-versus-spine safety point. Read more...
What Do Bluegill Eat? The Complete Diet Guide
What bluegill eat, and why it never changes: midge larvae, nymphs, scuds, zooplankton and snails. Why their permanently small mouth keeps them invertebrate feeders for life, what that makes them the best indicator species in a pond, the two causes of stunting, and their role as the bridge between invertebrates and predators. Read more...
What Do Bass Eat? Diet by Size, Season & Species
What Do Bass Eat? Diet by Size, Season & Species
What do bass eat? Explore how largemouth and smallmouth bass diets change with size, season and prey availability—from zooplankton and insects to crayfish, minnows, perch and larger prey. Read more...
Daphnia: The Complete Guide to Water Fleas as Live Fish Food
Daphnia are the water fleas breeders swear by for fast fry growth and colour. Learn what they are, how to feed and culture them. Read more...

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