FangTrack is a live price-tracking and market research platform for people interested in tarantulas and other invertebrates. It scans 75 vendor websites and organizes current asking prices across nine categories, including tarantulas, true spiders, scorpions, centipedes, millipedes, isopods, roaches, mantises, and other invertebrates. Its catalog covers more than 1,000 species currently in stock, with thousands of live listings.

Visitors can browse species and genera, compare vendor prices, and explore deal ratings, rarity, and market trends. FangTrack highlights unusually low prices and rare buys, and provides information such as listing sizes, seller details, and advertised prices. Free account features include a watchlist with price alerts and tools to track the advertised value of a personal collection. The site also offers bundle browsing, vendor and breeder directories, private-sale listings, and options to submit vendors, breeders, or feedback. Its market intelligence summarizes typical prices, price changes, listing records, and other comparisons to help users assess the current invertebrate marketplace.