Ship: Seahorse
Name: RPH
Date: 09/04/2023
Ship’s Activity: Monitoring
Table 1. Small fishing boat counting was done during the night of the 8th of April from 22:00 to 23:59 with radar observations. The hours not represented in this table correspond to hours when no Small fishing boats were seen in the ZTA or outside.
Hour | Boats in the ZTA | Boats Outside ZTA |
22:00 | 1 | 0 |
23:00 | 0 | 0 |
Table 2. Small fishing boat counting was done on the 9th of April from 00:00 to 20:00 with radar observations. The hours not represented in this table correspond to hours when no Small fishing boats were seen in the ZTA or outside.
Hour | Small fishing boats Inside ZTA | ||||
Total |
Net Fishing | Divers | Potential Net Fishing | Crossing | |
10:00 | 1 | 0 | 0 | 0 | 1 |
12:00 | 1 | 0 | 0 | 1 | 0 |
Hour | Small fishing boats ZTA Buffer Zone | |||
Total |
Net Fishing | Divers | Potential Net Fishing | |
08:00 | 1 | 0 | 0 | 1 |
09:00 | 2 | 0 | 0 | 2 |
10:00 | 2 | 0 | 0 | 2 |
11:00 | 1 | 0 | 0 | 1 |
12:00 | 2 | 0 | 0 | 2 |
13:00 | 4 | 0 | 0 | 4 |
Hour | Small fishing boats Outside ZTA | |||
Total |
Net Fishing | Divers | Potential Net Fishing | |
10:00 | 13 | 0 | 0 | 13 |
12:00 | 20 | 0 | 0 | 20 |
13:00 | 15 | 0 | 0 | 15 |
14:00 | 4 | 0 | 0 | 4 |
15:00 | 4 | 0 | 0 | 4 |
16:00 | 4 | 0 | 0 | 4 |
17:00 | 4 | 0 | 0 | 4 |
18:00 | 4 | 0 | 0 | 4 |
19:00 | 4 | 0 | 0 | 4 |
Total number of different Small fishing boats fishing today in the ZTA: 0`.
Total number of different Small fishing boat fishing today in the ZTA Buffer Zone: 4.
Around noon a Small fishing boat was found stopping for some minutes inside the ZTA, We launched the drone to confirm nets and flags inside. After we started to approach the area the boat left for the Buffer zone and started throwing the net at the border of the buffer zone and the Vaquita refuge.
At 14:25 a dead California sea lion was found floating in the middle of the ZTA, with no visible signs of cuts or nets around the body, was a male in a very advanced state of decomposition.

Figure 1. Small fishing boat activity in the ZTA today 9th of April.

Figure 2. Radar screenshot at 14:57, target 11 belongs to the Navy warship, the sea lion was found in this area.