subterminal mouth造句

• The mouth is wide and slightly subterminal mouth with large lips and no barbels.
• Blacknose shiners also lack this pigment, but have a more subterminal mouth as well as eight anal rays : bridles typically have seven.
• The subterminal mouth, absence of a fleshy barbel and the large black spot at the base of the pectoral fin distinguish spotfin croakers from all other California croakers.
• One problem of the Ecdysozoa hypothesis is the velvet worms'subterminal mouth position : unlike in the Cycloneuralia, the mouth is not at the front end of the body, but lies further back under the belly.
• Emerald darters can be found in rocky pools of small to medium creeks and rivers that maintain temperatures ranging from 0 to 25 癈 . As suggested by the emerald darter s subterminal mouth, they are benthic feeders, primarily consuming small invertebrates such as microcrustaceans, various types of larvae, and nematodes.