Alex Hyde / Group of Tissue moths (Triphosa dubitata) hibernating in a limestone cave. Peak District National Park, Derbyshire, UK. November.

Juergen Freund / Researcher Guido Westhoff looking at a cross section of pit organ tissue from a Coastal carpet python (Morelia spilota mcdowelli) through an electron microscope with 20,000 x magnification. Pit organs...

Doug Gimesy / Researcher placing a piece of platypus tissue (Ornithorhynchus anatinus) into a vial. From this piece, the DNA will be analysed back in the lab to help compare differences that may exist between popu...

David Perpinan / Necrosis / tissue dying in hemipenis of captive garter snake (Thamnophis sirtalis) small repro only

Alex Mustard / Pair of Michel's gobies (Pleurosicya micheli) laying eggs on an area of hard coral that they have cleared of coral tissue. The male is the larger individual, the female has a swollen belly. Bitung, No...

Ingo Arndt / Tissue moth (Triphosa dubitata) hibernating in cave, Germany. February.

David Kjaer / Tissue moth (Triphosa dubitata) Wiltshire, UK

David Kjaer / Tissue moth (Triphosa dubitata) Wiltshire, UK

Cyril Ruoso / Professor Matsui's work team studying cases of hybridisation Japanese giant salamander (Andrias japonicus) and introduced Chinese giant salamander (Andrias davidianus). Removing tissue sample from spe...

Alex Hyde / Tissue moth (Triphosa dubitata) killed by entomopathogenic fungus in karstic cave. Slovenia, April.

Alex Hyde / Tissue Moths (Triphosa dubitata) hibernating in a limestone cave. Peak District National Park, Derbyshire, UK. October.

Georgette Douwma / Detail of mantle of Giant giant clam (Tridacna gigas) Colours come from symbiotic zooxanthellae in tissue,. Indonesia.