Devario annnataliae is only recorded from torrents close to the foot of Brahmana Ella waterfall in the Sinharaja World Heritage Site, which is a protected reserve so this fish is unlikely to find its way to the aquarium trade.

After an eleven-year campaign by anti-aquarium activists led by Rene Umberger and Bob Wintner, in June 2017, Hawaii state legislators passed bill SB1240 to end the issuance of new aquarium fish permits. 

From the University of Utah Health Sciences Department:

Given the choice, zebrafish willingly dose themselves with opioids

As the opioid crisis escalates, the science behind addiction remains poorly understood.

Yorktown Technologies sold its GloFish intellectual property to Spectrum Brands, a highly diversified consumer products company whose product lines include well-known brands such as Black+Decker, Rayovac, Armor-all, as well as aquarium brands such as Tetra and Marineland. 

From the University of Salford:

Female fish ‘more reluctant’ to change sex than males

Scientists in the UK have observed a fascinating new fact about sex changing fish: the direction of sex change has implication for population numbers.

Aristides Sanchez, owner of the Arecibo-based saltwater aquarium business, Wonders of the Reef Aquarium, has pled guilty to two counts of violating the US Lacey Act for the collection, smuggling, and sale of innumerous protected marine invertebrates.

As it turns out, the bright red spots on this nudibranches are not the reason why reef fish avoid this unpalatable sea slug. It is actually the yellow rim that borders the white body of this sea slug that serves as visual deterrent to fish … at least the Picasso Triggerfish (Rhinecanthus aculeatus) the researchers tested. 

When we think freshwater biodiversity, we often think of the tropics, so you may be surprised to learn that the biodiversity of the Appalachian Mountains of the eastern United States is among the highest recorded globally with many endemic species found nowhere else. 

From the University of Liverpool:

How goldfish make alcohol to survive without oxygen

Scientists at the Universities of Liverpool and Oslo have uncovered the secret behind a goldfish’s remarkable ability to produce alcohol as a way of surviving harsh winters beneath frozen lakes.

The five new Grallenia gobies were all discovered living on sandy bottom habitats. Prior to the formal description of these gobies, the genus Grallenia only had three recognized species.  The first species, Grallenia lipi, was described in 2007.