Lecture 9
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (23 张)
super order protacanthopterygii had what 3 orders under it
• Esociformes (pike and mud minnows) • Osmeriformes • Salmoniformes (most important for humans)
characteristics of Esociformes (pike and mud minnows)
Maxillary is included in the gape (so doesnt have that deadly pucker thing) and the meadian fins are located far back on the body. Pikes are a feroious predator.
osmeriformes contain a diverse group and fish that can live where?
marine, freshwater and diadromous (both)
salmoniformes include what fish?
whitefishes, grayling, char, trout and salmon
salmoniformes is united by what characteristics?
an adipose fin, no spines, physostomous gas bladder
all the remaining euteleosts comprise a category without a taxon rank called the ———–
neoteleosts
seven super orders are recognized, 4 deep sea and pelagic superorders and 2 very diverse advanced superorders the ———————- and —————–
paracanthopterygians and acanthopterygians
under the superorder stenopterygii there are 2 orders, stomiformes and ateleopodiformes. how are stomiformes characterized?
are all deep sea fishes occuring between 200-400 m. They have long teeth, large mouths, light organs and peculiar ventral adipose fin.
how are ateleopodiformes characterized?
an unusual group of bulbous headed elongate species that swim just above the bottom in deep water. Skeleton s cartilaginous and they posses large heads, large anal fins and pointed tails. Really not built for speed or migration, just to mate and find food
another deep sea super order is ———- and includes several strange species including the lancet fishes and the deep sea lizard fish
cyclosquamata
what are characteristics of paracanthopterygii?
they are mainly benthic nocturnal, marine fishes that live in permanently dark waters.
Pearl fish are part of what order?
paracanthopterygii
pearl fish live where?
live inside the body cavities of sea stars, sea cucumbers, clams and sea squirts
cod, one of the most important commercial fishes in the world belongs to what order and super order?
super order: Paracanthopterygii Order: Gadiformes
all members of the order gadiformes are marine except for ———
burbot
what order is the most advanced paracathoptherygian?
Lophiiformes
what famous fish is part of the order Lophiiformes?
angler fish
The superorder acanthopterygii have a set of advanced characteristics including:
• Maximal upper jaw mobility and pharyngeal dentition • Ctenoid scales • Physoclist gas bladder • 2 dorsal fines, one with spines and one with soft ray
How are the order cyprinidontiformes from the super order actinoptergii distinguished?
because of a unique way of opening the mouth upwards so can eat things above their head. They are popular for aquarium as they can survive in poor water quality situations or isolated situations.
sea horses are a part of what order?
acanthopterygii
what order has the most species?
Perciformes (9300 species)
flatfishes belong to what order in the super order of Acantopterygii?
Pleuronectiformes
what order has the puffer fish and the ocean sunfish?
acantopterygii