Malacologists are scientists who study Mollusca mollusks, such as snails, clams, octopuses, and others, in a discipline named malacology. (https://en.wikipedia.org/wiki/List_of_malacologists)
Hemoglobinuria is the presence of hemoglobin in the urine; it is associated with red to amber colored transparent urine that remains pigmented after centrifugation. (Hemoglobinuria, Editor(s): David A. Wilson, Clinical Veterinary Advisor, W.B. Saunders, 2012, Pages 938-939, ISBN 9781416099796, https://doi.org/10.1016/B978-1-4160-9979-6.00404-9. (https://www.sciencedirect.com/science/article/pii/B9781416099796004049))
A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura. (https://en.wikipedia.org/wiki/Frog)
A conjugated protein linked to a compound of iron and porphyrin. This means it is a metalloprotein containing a heme prosthetic group, either covalently or noncovalently bound to the protein itself. The iron in the heme is capable of undergoing oxidation and reduction. (Heritage Science Data Service. 2025. Hemoprotein https://hsds.ac.uk/data-catalogue/subject/300192942)