Stream as filter

QuestionI have recently installed a 20 x 30 x 2 deep pond using EPDM. I have a pump on the bottom which moves water to top of a 35 stream full of .375 - 1.5 river rock. I have no intention of keeping fis

shell of marine snail

QuestionDear Mr Rhudy! In your expertise you specify, that you are an expert on snails, too. But I do not know, if you can answer my question: On this photo in the link is a hermit crab in a shell. Can you identif

koi fish in pond

QuestionHello Robyn, I had a small pond dug on my property in Vermont two years ago. The pond is about 100 feet long by 50 feet wide and about 12 feet deep. It is feed by u

catching and moving large pond fish

QuestionHello Robyn, Last autumn I rescued about 56 mirror carp of all sizes from 7 inches up to 20 + from our lake (set in 1/2 acre) which had all but dried up. We put the fish into a smaller pond 40x 15and t

Koi losing red and orange coloring...

QuestionI have a 1200 gallon unshaded pond in coastal Southern California. It has a superior filtration system for my 15 koi (6-15 fish). My pH always sits between 7.6-8.0. The koi (and the pond) have always been he

goldfish & Koi deseases

QuestionThe fish look like they have sores. It looks like the skin is being eaten away. Some look whit and other are red. I have a 2000 gal pond. I have a bialogical filter, skimmer and UV light. The golfish looked

foamy bubles on surface of pond

Questiondear sir i have noticed that i am getting foamy bubles on the surface of the pond, its like white plodges of dots, can you please explane why this is accuring, thank you AnswerHi there! That could be cause

color of babies

QuestionI hace 5 mature fish in my pond. 3 Koi and 2 goldfish. Last year I discovered baby fish. 5 have survived but they are still a grayish black color. Is this normal and do you know if they are goldfish or Ko

goldfish in pond

QuestionWe have had the same goldfish in our pond now for about 11 years. They were tiny little feeder fish that we saved I felt. My question is now that they have grown large like koi do a few of

Fish acting oddly

QuestionDear Mr. Nesfield, We have an 800 gal pond (outdoor) with 4 koi and some goldfish. This past Monday, we came home from work to discover that some of the goldfish were missing! The koi were sti

Fish In Pond in Yard

QuestionWe have just moved into a house that has a pond about 75 or 100 gallons of water in it. We had 10 fish, water was getting smelly...cleaned the pond out and now tha fish are dieing. They act like there isnt

worms in pond

QuestionMy babysitter has a small ornamental pond at her house. When she cleaned it this spring she found tons of small string like worms that wiggle around a lot. They had eaten all the roots from the p

Pond fish keep dying

Question ------------------------- Followup To Question - I have a 200 gallon pond in my backyard with black plastic liner, river rocks on the bottom, 2 lilly pad and 1 iris plant, a filter with a water pump feat

Pond size/muskrats/erosion

QuestionI want to know how to determine the size of aerator I would need for my pond, it is quite large(423 around) and deep(35) also I have a problem with muskrats that are causing erosion to the sides of the pond,

Goldfish and frogs living together in a pond

QuestionDear Robyn, I have an outdoor pond that seven comet goldfish (about 2-3 inches in length) have lived in since I put the pond in the ground. They have survived two winters and thawed out each spring. &n

Goldfish are missing

QuestionTwo days ago I found the tails of 2 fish at the bottom of my garden pond. Today I checked and the rest of the fish are gone (6 fish). I have never seen a heron about but have seen sea gulls. The pond is only

pond plants - papyrus, canna, etc

QuestionHi! I live in Jerusalem, the equivalent of usda zone 9. I would like to grow some plants in my tiny pond. 1)I have some papyrus (not the dwarf) and it is small, but in the shade. Can it live in shade inde

Koi behaving strangely

QuestionI have a small garden pond, about 700 plus gallons. It is app 43 deep at the deepest and recently my son and I took it apart, (blanketweed) cleaned it, dug out some shallow ledges for bog plants and so

enlarging current pond

QuestionI have a 10 yr old koi pond that is 15x17ft square. I am now wanting to enlarge it and build a shelf on two sides. What is the best ans cheapest way to join two pieces of liner to make them water proof? Can

Fish Going Black

QuestionHi Robyn. Please can you help? I have a small, round raised terrace pond (approx. 50 gals) with six small fish: two goldfish and four Golden Orf. The pond has many water plants and is filtered using a Hozelo