Results for “warm water”

A good beginner's tetra, as it's a hardy species that will adapt to a relatively wide range of conditions. In a well-insulated house it can even be kept in an unheated tank, although it won't be as colourful as when kept in warmer water. It's also quite long-lived and captive specimens over ten years old are not unheard of...

Known only from the Ryukyu Islands, Japan, and thus far recorded from just 4 streams on Okinawa island and two on Iriomote island. The type series derived from both islands with Okinawa given as type locality. It may be more widely-distributed than this however, and was possibly transported to the Ryukyu Islands via the Kuroshio Current, an ocean current similar to the Gulf Stream transporting warm, tropical water northward from an area east of Taiwan past Japan towards the polar region.

Towards the Andaman Sea the lower part of the delta gives way to brackish mangrove swamps. The climate is wet, with annual precipitati0n of 1500 - 2500 mm, up to 90% of which falls between mid May and mid November, and warm with average air temperatures of 22 - 37 °C over the course of the year. At one locality M. nanus was collected in less then 30cm of water from an oxbow lake among floating Pistia-like vegetation and gra...