'Freshwater fishes' diaporamas de présentation

Zoogeography of Fishes

Zoogeography of Fishes. Zoogeography of Fishes. Patterns and processes in the distribution of fishes (i.e., what causes certain fish species to be where they are?) Global Regional Local Successively smaller sieves that determine fish distribution Predictability of fish assemblages.

2.04k views • 60 slides

146 views • 14 slides

Osmoregulation

Osmoregulation. The problem of osmolarity:. salt water 35 ppt. fresh water 0-5 ppt. The problem of osmolarity:. Hyper-osmotic. salt water 35 ppt. fresh water 0-5 ppt. FISHES. Hypo-osmotic. The problem of osmolarity:. Hyper-osmotic. salt water 35 ppt. fresh water 0-5 ppt. FISHES.

368 views • 13 slides

Osmoregulation

Osmoregulation. The problem of osmolarity:. salt water 35 ppt. fresh water 0-5 ppt. The problem of osmolarity:. Hyper-osmotic. salt water 35 ppt. fresh water 0-5 ppt. FISHES. Hypo-osmotic. The problem of osmolarity:. Hyper-osmotic. salt water 35 ppt. fresh water 0-5 ppt. FISHES.

263 views • 13 slides

American brook lamprey ( Lampetra appendix ) Timothy Stewart

American brook lamprey ( Lampetra appendix ) Timothy Stewart. Iowa DNR. Identification: buccal disk; 7 gill apertures; no paired fins (to 26 cm) Distribution: northeast IA (e.g., Volga River); mid-central IA?

167 views • 4 slides