What are some types of little fish?

Here are some types of little fish, categorized by their habitats and common features:

Freshwater:

* Minnows: A diverse group, typically small, silvery, and found in schools. Examples include the common shiner, fathead minnow, and golden shiner.

* Guppies: Popular aquarium fish, known for their vibrant colors and small size.

* Neon Tetras: Another popular aquarium fish, known for their bright neon stripes.

* Killifish: A diverse group found in freshwater, brackish, and saltwater environments. Many are brightly colored and relatively small.

* Darters: Small, colorful fish found in rivers and streams.

* Mosquito Fish: Small, live-bearing fish known for eating mosquito larvae.

Saltwater:

* Clownfish: Colorful fish that live in anemones.

* Damselfish: Small, territorial fish often found near coral reefs.

* Gobies: A diverse group of fish, many of which are small and live in burrows or under rocks.

* Blennies: Small, elongated fish that often inhabit crevices or seaweed.

* Shrimp Gobies: Small gobies that live in symbiotic relationships with pistol shrimp.

* Cardinalfish: Small, colorful fish that often school near reefs.

Other:

* Anchovies: Small, silvery fish that are a key part of many marine food webs.

* Sardines: Small, oily fish that are often canned.

* Herring: Small, silvery fish that are often used in smoked or pickled dishes.

* Sticklebacks: Small, spiny fish that are found in both freshwater and saltwater environments.

* Milletseed: A tiny, silvery fish that is often used as bait.

Note: This list is not exhaustive. There are many other types of little fish, and their sizes can vary depending on the species and habitat.