In North Dakota's Bakken formation, the break-even cost has fallen into the $20s in some counties, the state's Department of Mineral Resources reported last month. Producing a barrel of oil would still be profitable at $24 in Dunn County, down from $29 last October.
You can exclude this risk. Water temperatures and influence on fish behaviour Normal temperatures for keeping discus fish lie at 29-30 Â°C. If your fish are too calm and do not eat greedily but are hesitant about eating, raise the water temperature for c. two weeks to 33 Â°C. This will raise the metabolic rate of the discus fish and encourage their appetite and their sense of hunger.
Aquarium dimension for discus: This plays a vital role for discus keeping. If you choose proper dimension then half of your job is already done. We know that discus is a round or disc shaped fish. So due to this body shape this fish moves more vertically than horizontally. More they move more they grow fast.