Sawfish
The dwarf and largetooth sawfish are strictly warm-water species that generally live in waters that are and respectively. The green and smalltooth sawfish also occur in colder waters, in the latter down to , as illustrated by their (original) distributions that ranged further north and south of the strictly warm-water species. Sawfish are bottom-dwellers, but in captivity it has been noted that at least the largetooth and green sawfish readily take food from the water surface. Sawfish are mostly found in places with soft bottoms such as mud or sand, but may also occur over hard rocky bottoms or at coral reefs. They are often found in areas with seagrass or mangrove.
Longcomb sawfish
Little is known of its life cycle, but it is ovoviviparous and the young are long at birth. It is often said that there are about 12 young in each litter, but the basis for this number is unclear (in other sawfish species litter size ranges from 1 to 20). The females give birth in inshore areas, and the young stay near the coast and in estuaries in the first part of their lives. Sexual maturity is reached at an age of about 9 years, and a length of . The maximum age is unknown, but it might be in excess of 50 years, and an individual caught as a juvenile lived for 35 years at an aquarium.