224 TREUBIA VOL. II, 2—4. 
ively of animals which had been bought 14 months before as “üget” but 
had been kept in two different ponds !). 
Of one lot ?): 
the biggest specimen measured 45 cM. (not including the caudal fin) and 
weighed 1700 grammes; 
the smallest specimen measured 41 cM. (not including the caudal fin) and 
weighed 1100 grammes. 
Ofrithexothen dots): 
the biggest specimen measured 30!/, cM. (not including the caudal fin) and 
weighed 525 grammes; 
the smallest specimen measured 24'/, cM. (not including the caudal fin) and 
weighed 300 grammes. 
One of the heaviest empang-bandeng that I have personally inspected 
and weighed, and which I have already mentioned incidentally when dealing 
with the stomach-contents, was a fish of + 8 catties (i.e. nearly 5 K.G.) 
reared at Tjilintjing. I do not know how old that bandeng was, but I 
learned at the time that at Tjilintjing bandeng are sometimes allowed to 
live to the age of 6 years before they are caught. 
As regards the density of the population of the empangs, that is, the 
number of bandeng turned into them per unit of area, I have no reliable 
data at my disposal. I have tried a few times to estimate the density of the 
population from information gathered from Mr. Görs’s native staff. These 
estimates concern the population of the empangs proper, therefore not of the 
pembibitans or pembuyarans, and they vary between 1 bandeng per 8 M?. 
and 1 bandeng per 18 M?.. But I do not attach much value to these estimates, 
All the year round a certain quantity of bandeng is marketed at the 
Pasar Ikan (fish-market) at Batavia. Very large quantities of bandeng, 
however, are caught every year and sold at the Batavia fish-market during 
the last two days preceding the Chinese New-Year’s day, which as I have 
stated before always falls on or after January 21st and before or on 
February 20th. This fish is then sold by middlemen, who have bought them 
at the Pasar Ikan, to the consumers during the Pasar Malam (= night- 
market), which is held during the two evenings immediately preceding the 
Chinese New-Year’s day in the lower-town of Batavia. 
Photo 13 (Plate XXI) shows something of the way an empang is 
emptied of all the fish it contains. The method is as follows: Along (i.e. 
close to and parallel to) each of the short sides of an empang which is 
oblong-rectangular, a row of fishermen is stationed. The men stand in 
the pond, in the water, those on one side facing the fishermen visible at 
') According to said owner in one of these two ponds floating algal masses 
had.been present, whereas in the other pond “tay ayer” had been the only food 
available for the bandeng. Of course there may have been yet many other differences 
between the two ponds. 
2) from the pond with floating algal masses. 
3) from the pond without algal vegetation where the bandeng had to feed on “tay ayer”. 
