If you get your hands on Paedocypris Progenetica know that this is one freshwater fish that likes its aquarium water acidic. It is considered the cousin of the Paedomorphic Cyprinid fish family because they share similar features like an unprotected brain (their narrow frontals are the reason for this). Paedocypris Progenetica has a thin and somewhat transparent body with rather weird pelvic fins that have clutching pads that males use to grab the females during mating. In fact, it still remains the smallest nano fish species in the world overall discovered to date. That being said, Paedocypris Progenetica still holds a world-record title: it is currently the smallest freshwater fish in the world that can live in home aquariums. The Indonesian Superdwarf fish can thus comfortably shoal in a 3-gallon tank. To put things into perspective, an average adult specimen is the size of an adult mosquito! It was the smallest known vertebrate until 2012 when the tiniest frog (Paedophryne amanuensis, discovered in the rain forests of New Guinea) leaped past.Īn adult female Paedocypris Progenetica grows to a maximum of 0.41 inches or 1.04 cm only, while the mature males are mere 0.39 inches (0.99 cm). The Indonesian Superdwarf fish from the Paedocypris genus is a titleholder of sorts. Indonesian Superdwarf fish – Paedocypris Progenetica Here are the 18 smallest freshwater aquarium fish that are perfect for a nano tank: 1. I combined that with my personal experience in fish keeping and I made sure to not list fish that get over 2.5 inches in full-grown length. I took considerable time off to do some deep research on nano fish that would best suit a freshwater aquarium.
Right before we start, I will share a photo of one of my all-time favorite fish for small aquariums, the Celestial Pearl Danio (or also known as Galaxy Rasbora):īy mrglass1024 18 Tiniest Freshwater Aquarium Micro Fish What are the types of fish that remain small in their full-grown state?īased on my personal experience and some research I did, I compiled a list of the smallest freshwater nano fish that can live in a tiny tank. Today I want to respond to these and a couple of suchlike queries or concerns you may have.įor instance, are there cold-water alternatives to the tropical species that suit a compact aquarium? I finally decided to write about this because for some time now many of the new fish-keepers that read my blog have been asking me about the right micro pet fish for a freshwater aquarium. This is not a lot of swimming space so I tried to list species that generally remain under 1 inch in length. This is easy: I have a couple of options on my mind and while these are nano species of schooling fish that are beautiful to observe they also fit the bill perfectly.īut what are the best freshwater inhabitants for a tiny 3.5 to 5-gallon tank?
Black freshwater fish how to#
You have a small or medium-sized aquarium in your office or at home and wonder how to make it more lively.
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